Sonnax 4l60e level 3 kit. Fits the 4L60E, 4L65E, 4L70E, and 4L75E.

Sonnax 4l60e level 3 kit Fits ’96–’08 units. 4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit 4L60E-LB2. Hardcoat anodized aluminum valve combats premature wear; Sonnax spring maintains OE operating pressures and timing; Sonnax Performance Pack HP-4L80E-01 upgrades GM 4L80-E and 4L85-E the kit includes many improved parts to repair damage, prevent future wear and Packs combine key Sonnax performance and heavy duty parts into powerhouse kits which take transmissions to the next level. FREE delivery Fri, Apr 19 . Fits GM 6L45, 6L50, 6L80, 6L90. Shop On Our Website For More Sonnax Products Today! Or Call Us At 318-742-7353 Or Toll Free 1-888-877-1008! Sonnax T2-3-12051HP, Product Description. 2066; Wake your <p>4L60E Transmission Sonnax High Performance Level 2 Build Package For moderately modified performance vehicles (up to 450hp) This Super High Quality Kit Contains Upgraded Reduce ratio change by converting 1st Gear from 3. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; Torque Converter Recover hydraulic control and renew TCC performance by reconditioning the bore and installing Sonnax TCC regulator and isolator valve kit. Large-ratio boost valve action for crisp, Use the Sonnax 4L60E-LB1 progressive boost valve use a scan tool to check whether desired transmission line pressure under Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E, 4L65-E and 4L70-E PWM units featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. 4L60E; 68RFE; 6L80; Sonnax TCC apply valve kit 77805E-K will eliminate the bore cross-leakage. Add to Cart . The O-ring provides additional sealing to reduce hydraulic losses at critical circuits. To order now or get more information, please call Finish Line Transmissions at 630-350-7776. com FREE DELIVERY possible on eligible purchases This video breaks down how to transform a 4L60-E, 4L65-E or 4L70-E into a top-tier performance transmission with Sonnax Level 3 build components. Shop On Our Website For More 4L70E Products Today! Or Call Us At 318-742-7353! Menu Sonnax T2-3-4911HP, 2004R / TH350 / 700R4 / 4L60E Slip Yoke $ 303. Tool kit for [77754-09K], [34200-16K], [SC-4L80E] and [SC-4L60E]. We have 4L60E Rebuild kits, 700R4 Rebuild Kits, 4R44E/5R55E Rebuild Kits and much more. O-Ringed end plug helps prevent 4th Gear oil loss. Watch this video to get a full breakdown of everything you get in the most comprehensive transmission upgrade kit on the market for When installed in a 4L65-E or 4L70-E, a Sonnax Level 3 build delivers a big power tranny that not only exceeds the capabilities of the 650 ft-lb 4L75-E, Pinless Forward 4L60E-4 – Level 4 $ 2,795. Tech 4L60E; 68RFE; 6L80; Your Guide to a Sonnax 4L60/E Level 3 Performance Build. Updated stroke pressure eliminates TCC drift on apply and updated exhaust control; Sonnax billet aluminum, pinless accumulator piston set. 5. 4L60E Transmission Sonnax Heavy-Duty Pickup Build Package This Super High Quality Kit Contains Upgraded Parts Manufactured by Sonnax 4L60E-HDA (Heavy Duty Option A) kit includes: Line Pressure Booster Kit: This kit comes with the Pressure Booster Kit we will need to know if you have an early or late design pump in order to supply you with the right booster 4L60E Transmission Sonnax High Performance Build Upgrade Package Servo. This super high quality kit contains upgraded parts manufactured by Sonnax. 4L60E TRANSMISSION PUMP 13 VANE WITH LIP, 300mm TC, REBUILT WITH SONNAX UPGRADES & NEW ROTOR KIT, BUSHINGS & SEAL FITS 96-03 $278. Sonnax 35801-02K - Shift Shaft and Seal Kit [GM TH350, TH350C] (1) $32. $39. Plus, check out these bui Sonnax Performance Pack HP-4L60E-01 combines innovative heavy duty/performance calibration for firmer shifts under load without sacrificing low-speed drivability. The kit's piston is compatible with all OE accumulator springs. '63 C10 LT1/T56. 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; And that’s what you get with the Sonnax shift lever kit 38512-03K. Learn More. Sonnax 3-5-R drum saver kit 144555K is an effective and affordable way to guard against failures and costly comebacks. Tech Resources 4L60E / 4L65E / 4L70E Oversized 4-3 Sequence Valve Kit, Sonnax 77964-14K. With the 2007 4L70-E, there is a fourth OE servo size that gives builders another choice when 4L60E; 68RFE; 6L80; This wear can lead to bushing failure, harsh shifts, burnt clutches and gear ratio or solenoid codes. 810" Sleeve Kit for Late-Style Pumps Installating a Sonnax sleeve kit is a must to tackle the chronic problems of cracked input Sonnax Sure Cure kit SC-4L60 for GM 4L60 (700-R4) units is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuil. 05. This keeps performance engines in the optimal power band while allowing a longer pull in first and second gears, improving consistency and performance. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body 4L60E; 68RFE; 6L80; Sonnax drop-in accumulator valve train kit will eliminate oil loss and maintain holding power to ensure proper shift feel. 4L60E Performance & Heavy-Duty Transmission Build Guides. It is recommended to follow the specific instructions provided during assembly to avoid a mismatch of parts. 200-4R, 4L60, 4L60-E Accumulator Valve Train Kit Part No. 201. Chevy GM 4L60E 4L65E 4L70E Transmission Alto Less Steel Level 2 Rebuild Kit 2004-On. Upgraded material composition outperforms OE bushings; Superior wear characteristics eliminate premature deterioration; Sonnax boost valve kit 77898E-K is an increased ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-style pumps. Shop On Our Website For More 4L60 Products Today! Or Call Us At 318-742-7353! Menu. Shop On Our Website For More 4L60E Products Today! Or Call 318-742-7353! Menu. Shop Automatic Transmission Rebuild Kits at Summit Racing. Lbs. Tech Resources Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Nice kit, Sonnax. Drop-in parts install quickly & easily. 06/1. High Energy for the other clutch sets. All of these servos have a “proper” apply to release ratio and accommodate a cushion spring. Each accumulator takes one D-ring and. $31. MSRP: $258. Warning: Earlier versions of this kit required an aluminum forward piston. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; Torque Converter Thread: sonnax 4l60E level 3 killer build tunable? Thread Tools. 18 $ 182. Early style. Sonnax Transmission parts for GM 4T60-E applications Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; This kit will replace the 1-2 or reverse servo in 4T60 applications. First, Do No Harm: Things You Should Know about Performance Servos. The Smart-Tech housing is the only way to increase clutch capacity AND sonnax 4l60E level 3 killer build tunable? I went the most expensive route possible it seems, every sonnax part i could find to stuff in the case(shaft to shaft). lbs, Max, Level 3, One Piece Case, 4L60E, 4WD, 2,600 - 3,600 Stall, LT Bellhousing, Chevrolet, Kit. 4L60E; 68RFE; 6L80; This wear can lead to bushing failure, harsh shifts, burnt clutches and gear ratio or solenoid codes. Eliminate 3-4 Clutch Failure with the Smart-Tech® TRANS GO SHIFT KITS: The best warning I can give anyone is, if you have a transmission builder that advertises they use a TG kit in a 4L60E, look for another builder If you look at what a TG kit is, you have to really wonder what you're paying for. 50 $ 39. 50. The ultimate collection of 4L60/E upgrades for maximum strength, durability and quick Powder coat case, bell housing, tail housing satin black. This precision valve has a PTFE seal to prevent the cross-leaking of converter signal and converter feed oil. 4L60E-LB1 1. You're viewing: Sonnax 77911-03K, 4L60 / 4L60E / 4L65E / 4L70E 2nd Gear Super Hold Servo Kit 4L60E 700R4 200-4R TRANSMISSION ACCUMULATOR VALVE TRAIN KIT FITS '81+ BY SONNAX. Wider than OE. 84 ratio input carrier kit 77284-K transforms the popular 4L60 series from an OE “wide ratio” 3. 500" boost valve, which can be bought seperately. Free ShippingLoading Estimated Ship Date: Tomorrow. The ultimate collection of 4L60/E upgrades for maximum strength, durability and quick shifts, including 4L60E; 68RFE; 6L80; Recover hydraulic control and renew TCC performance by reconditioning the bore and installing Sonnax TCC regulator and isolator valve kit. 8 Red Eagle clutches with full thickness Kolene steels are used in the 3-4 clutch drum on Levels 3, 4 and 5. Recommended Sonnax Sure Cure kit SC-6L80-6L90 for GM 6L80 and 6L90 units is a comprehensive reconditioning package featuring the best Sonnax products deve. # K18. 40. Seal critical pressure losses & restore normal shift operation in Chrysler 48RE units with Sonnax Zip Kit® #48RE-ZIP. Prevents input sprag and Forward clutch failure by Performance Built 4L60E Transmission Level 3 “700-E Raptor” $ 3079. Free Shipping; Sonnax Shift Improver Performance Packs HP-4L80E-01. 4L60-E, 4L65-E, 4L70-E, 4L80-E, 4L85-E Tool Kit 77754-TL. 3. Hardened steel boost valve has over 20% wider spools to provide better durability and increased sealing contact area; Boost valve spools have annular grooves to reduce side loading that causes wear; Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. 63 ratio (2nd Gear) is a dramatic RPM drop that causes performance engines to fall out of their power band. February 26, 2021. What’s the Best Shift Kit For A 4l60e. 00 Add to cart; Information. 888. All Over the Map: Attacking 4L60/E Burnt 3-4 Clutches with Confidence. 4L60E, 4L65E, 4L70E Sonnax Pinless Accumulator Piston Kit FWD, 1-2 & 3-4. 00. Line Pressure Booster Kit 4L60E-LB2. Large-ratio boost valve action for crisp, Use the Sonnax 4L60E-LB1 progressive boost valve use a 4L60 / 4L60E / 4L65E / 4L70E 2nd Gear "Corvette" Ratio Servo Kit, Sonnax 7701-04K. Sonnax Powerglide 1. This video breaks down how to transform a 4L60E, 4L65E or 4L70E into a top-tier performance transmission with Sonnax Level 3 build components. View Profile View Forum Posts Private Message Potential Tuner Join Date Jan 2015 Location McCurtain County Posts 5. 6L45, 6L50, 4L60E; 68RFE; 6L80; Sonnax shift lever kit 38512-03K makes it easy to install a short-length manual shaft that delivers trouble-free operation with aftermarket shifters. Sonnax offers an input housing reinforcement kit that prevents the With the pressure limiter spring and Sonnax TCC valve from the Performance Pack or the Sonnax sleeve kit 77754-04K *, TCC apply pressure will be limited to about 100 psi. Helps cure: 3-4 Sonnax GM 4L60E Reverse Boost Valve Kit 4L65E . 4L70-E Transmission 4L60 Transmission 4L60-E Transmission 4L65-E From daily jobs to extreme builds, the Sonnax SmartShell heavy-duty reaction shell kit 77749-02K is the only way to prevent shell failure AND protect the bearing. Recover hydraulic control and renew line pressure performance by installing Sonnax pressure regulator valve kit 104520-14K. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to A thin, weak backing plate is the leading cause of 3-4 clutch distortion and burnup – a pervasive problem in listed GM transmissions. Your Guide to a Sonnax 4L60/E High Horsepower Level 3 Transmission. GM: Sonnax 4L60E 3-4 Relay O-Ringed End Plug Kit 77964-08K. Black_Arm. 1008; Speedometer Gears 1. Tech Resources Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, Fits 4L60/65/70-E early style. 55 for game Building the Killer 4L60E - See What's Inside the Sonnax 4L80E Performance Pack. It’s most critical for vehicles running above 400HP, fitting squarely within the popular Sonnax Level 3 build category designed for extreme applications. 4L60E 1993 On, Sonnax Sure Cure Kit. 4L60E-LB1 Early style View Instructions Find a Distributor. We had a 2008 Range Rover diesel 157,500km with drivability Sonnax offers cutting-edge transmission, 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Chrysler 62TE Shift Shaft Saver Kit. 682" in height. Or fastest delivery Wed, Apr 17 . The pressure limiter is a performance-enhancing spring found in Sonnax’s popular HP-4L60E-01 Performance Pack that changes how the lockup system works. com FREE DELIVERY possible on eligible purchases. June 06, 2018. 4L60E; 68RFE; 6L80; Browse All Units; Transmission Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-10KB. 4L60, 4L60-E, 4L65-E, 4L70-E Extra Free Shipping - Sonnax Hydraulic Line Pressure Booster Kits with qualifying orders of $109. 57. O-Ringed end plug helps prevent 4th Gear oil loss; Hardcoat anodized aluminum valves combat premature wear; Contents. 00 Scoring is caused by repeated oscillation of the accumulator piston within the bore during normal operation. Clean up your shifts with Sonnax Line Pressure Booster Kits for 3/4 and 5/6 Speeds. Mumie Foran's Transmissions Minersville, PA. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; Torque Converter The ideal upgrade for modified performance vehicles, Sonnax 3-bolt adapter flange yoke kit T35-GMFD-01K makes it easy to convert a two-piece driveline to a one-piece, U-joint-style driveline. Sonnax heavy duty input shaft 77773-11SB for 3 Read More. This super high quality kit contains upgraded parts Fits 4L60/65/70-E Late Style. Contents. Part Number: SOX-4L60E-LB2. Helps cure: Erratic 2002-2006 4L65E "Upgrade Combo Kit" This is the Combo Kit you need if your 4L65E is in good condition but you want a much stronger Home / GM / 4L60E / 4L65E / 4L70E / Level 3 Input Housing Kit Upgraded Housing Eliminates 3-4 Clutch Failure. Part No. Overview. Eliminate reaction shaft spline twist and wear with Sonnax heavy duty reaction shaft kit for early- and late-style 4L60E transmissions. Reconditioning the bore and installing Sonnax oversized 3-4 shift valve kit 77754-42K restores hydraulic integrity. 4L60E-LB2. Vehicles with these Sonnax 74927-AP, 4L60E / 4L65E / 4L70E Forward Accumulator Piston $ 11. 00 Select options MASTER HIGH ENERGY REBUILD KIT 4L60E WITH RED EAGLE 3-4 POWERPACK WITH Free Shipping - Sonnax Sure Cure® Automatic Transmission Rebuild Kits with qualifying orders of $109. You're viewing: Sonnax 77964-04K, 4L60E / 4L65E / 4L70E Sonnax 4L60E 4L65E 4L70E Transmission Sure Cure Kit Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E PWM units featuring the best Sonnax TH350 Transmission, Level 2 "350 Raptor" and Level 3 "350 Mega Raptor", Fairbanks TransAction Kit: Mild shift correction kit: Level 2 or 3: Level 3 or 4: Hard Outer Race: No: Yes: Yes with larger sprag: Sonnax T3-3-4281HP, Tool kit for [77754-09K], [34200-16K], [SC-4L80E] and [SC-4L60E]. End Plugs (5) 3 ExtraO-Rings (5) 3 Extra In GM 4L60-E, 4L65-E and 4L70-E units, the hammering effect of the 3-4 relay and/or 3-4 shift valves can cause the end plugs to wear, resulting in loss of 4th signal and/or D3 oil. 4L60E; 68RFE; 6L80; Take your build to the next level today. Fully compatible with '95-later with PWM/EC3 (electronically controlled capacity clutch) control. 77754-04K Fits all years The 4L60E; 68RFE; 6L80; 3-4 shift complaints and loss of AFL pressure. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; A thin, weak backing plate is the leading cause of 3-4 clutch distortion and burnup – a pervasive problem in listed GM transmissions. Tech 4L60E; 68RFE; 6L80; Browse All Units; Installing Sonnax drop-in 1-2 accumulator sleeve kit salvages the case. 4L60-E, 4L65-E, 4L60E Master Rebuild Kit with an 8 Clutch Red Eagle Power Pack, Level 3 1997-2003. This kit contains five sets of seals to refresh the sealing capabilities of Sonnax pinless accumulator kit [77998-03K]. Cruiser now, traded drive trains with my truck. 19. tubing and splined stub and sleeve kits, Sonnax driveshaft upgrades deliver enhanced strength and durability from street to Find Parts and Accessories 4l60e bushing kit KEYWORD and get Free Shipping on Orders Over $109 at Sonnax Transmission Company (9) ACDelco (5) ATP Automotive (3) Lokar (3) Wiring Automatic Transmission, Up to 500 hp/500 ft. Added to Cart. 77777M-K Fits "M" version valve trains in 4L60E; 68RFE; 6L80; 3-4 shift complaints and loss of AFL pressure. us. this kit can only be used in the 3-4 accumulator Line Pressure Booster Kit 4L60E-LB1. With this 4l60E Rebuilt Transmission Alto 4L60E master combo kit with Pistons, 8 clutch Red Eagle Power Pack and full thicknes Kolene steels and stronger Sonnax pressure plates for the 3-4 clutch. 4L60 (700-R4)/4L60-E 2. 0 out of 5 stars. This kit comes with the following parts: Sonnax 77987-01K forward piston; Sonnax 77998-03K 1-2 & 3-4 piston (Qty 2) The 4L60E and its variants were in production from 1992-2013 and can be identified by the square 16 bolt oil pan and 4 4L60, 4L60-E, 4L65-E, 4L70-E Heavy Duty 3-4 Clutch Backing Plate Kit Sonnax Part Number 74140-01K Requires ‘91-later 3-4 apply ring stamped with number “7”, measuring 3. 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Instead of sourcing an expensive new case, you can stop further wear, reduce endplay or restore endplay to proper levels by installing Sonnax case saver kit 144281-01K. 95. The most popular 4l60e shift kits include: TransGo Performance HD2 Sonnax Performance Pack He also added Sonnax’s elevated pressure regulator spring and boost valve that are part of the Performance Pack for the 4L60E. Sonnax GM 4L60E HD 2-3 Shift Valve 4L65E 4L70E 4L75E 4L60-E Automatic Transmission. 77 AFTER CORE RETURN. Sonnax bushing kit 104030-01K restores worry-free operation. The kit’s piston is compatible with all OE 4L60 / 4L60E / 4L65E / 4L70E Apply Plate & Seal Service Kit, Sonnax 77733-06SVC. Upgraded materials and design have been incorporated to prevent wear. 671–3. 4L60E / 4L65E / 4L70E Actuator Feed Limit Valve Kit, Sonnax 77754-09K. 4L70-E Transmission 4L60 Transmission 4L60-E Transmission 4L65-E Transmission. Show Printable Version; 11-25-2022 #1. Sonnax 3-4 3-4 Relay and 4-3 sequence valves are completely oversized in this Sonnax kit. Related Parts. Shop On Our Website For More 4L70E Products Today! Or Call Us At 318-742-7353! Menu. Sonnax 4L60E 4L65E 4L70E Transmission Sure Cure Kit Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E PWM units featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. 877. Search. Sonnax 2nd Gear "Corvette" ratio servo kit 77701-04K provides increased apply area resulting in improved holding power for firmer 1-2 and 3-4 shifts in 4L60 4L60E Performance & Heavy-Duty Transmission Build Guides. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, actuator feed and lockup control circuits. Combined with Sonnax tubing and weld yokes, this unique flange dramatically increases strength and durability while reducing future maintenance costs. 90. Sonnax Smart-Tech input housing kit 77733-10KB makes room for a taller clutch pack anchored in Building the Killer 4L60E - Top Tips for Optimizing Scoring is caused by repeated oscillation of the accumulator piston within the bore during normal operation. 84 input carrier kit 77284-K transforms the popular 4L60 series from an OE wide ratio 3. 4L60, 4L60-E, 4L65-E, 4L70-E Rear Stator Support Bushing 77002B. Sonnax heavy duty 3-4 clutch backing plate kit 74140-01K significantly reduces backing plate flex for increased 3-4 clutch durability. 856-400-0063 (calls only) Sign in or Register; Cart. My question is, with Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E, 4L65-E and 4L70-E PWM units featuring the best Sonnax products developed to help High performance transmission Level 3 4L60E/4L65E – Rated to hold up to 700HP Mad Dog Transmissions Navigation. 3 6T35/31/41/46/51 valve bodies. Performance Pack. 75 out of 5 stars. 4L60E Performance & Heavy-Duty Transmission Build this kit can only be used in the 3-4 accumulator location. K. 2009 Thru 2013 4L60E 4L65E Super Deluxe Master Rebuild Kit With All Raybestos Frictions, New Non-Kolene Steels Kit Less 3-4 Steels, Zpak 3/4 Clutch Update, This kit contains five sets of seals to refresh the sealing capabilities of Sonnax pinless accumulator kit [77998-03K]. Kit raises clutch pressure slightly to prevent slippage and burn-up, an advantage for heavy-duty, plowing or repetitive forward-reverse maneuvers Sonnax Heavy Duty 3-4 Clutch Backing Plate Kit, GM, 4L60, 4L60-E, 4L65-E, 4L70-E, Each causing problems in daily drivers and mid-level street/strip vehicles alike. Non-rotating shims correct differential endplay and prevent future wear; Shift Repair Kits; Zip Valve™ Drop-In Repairs; Sonnax Tool Shop; 4L60E Performance & Heavy-Duty Transmission Build Guides. * Pinless 1-2 or 3-4 accumulator piston kit * TV boost valve kit * Bushing pump * Bushing rear stator support * Checkballs Required Parts. Related Units. The kit contains uniquely designed parts to prevent the loss of Sonnax Forward and Reverse abuse valve kit 77754-35K fits either the Forward or Reverse abuse location and includes a replacement bore plug. 4L60 / 4L60E / 4L65E / 4L70E 2nd Gear Super Hold Servo Kit, Sonnax 77911-03K. Eliminate 3-4 clutch failure and get the most out of your favorite clutches. *Kits sold separately. Upgraded material composition outperforms OE bushings; Superior wear characteristics eliminate premature deterioration; 4L60E; 68RFE; 6L80; Re-establish hydraulic control and restore normal operation by reconditioning the bore and installing Sonnax oversized 4-3 sequence valve kit 77964-04K. Was it the level one kit from this site ? 4L60E HP & HD Transmission Build Guide This is not compatible with the Sonnax upgraded 3/4 clutch apply and retain plates. And Sonnax has several levels of kits to ensure the best combination of performance and value for each application. Once this bore is damaged, the case must be scrapped. 10L60 10L80 10L90; 10R60 10R80 10R90 FORD; 4L60E; 68RFE; 6L80; This wear can lead to bushing failure, harsh shifts, burnt clutches and gear ratio or solenoid codes. View All Required Parts. Input Drum Reinforcement Kit 77733-51K. Sonnax bushing kit 104030A-01K restores worry-free operation. Email this page to a friend. 4L60, 4L60-E, 4L65-E, 4L70-E Smart-Tech 4L60E Transmission Sonnax High Performance Build Upgrade Package This Super High Quality Kit Contains Upgraded Parts Manufactured by Sonnax 4L60E-L1A (Level 1 Option A) Upgrades for performance recalibration and durability, no trans removal required Most change in feel comes from the servos. Related Sonnax Performance Pack HP-4L60E-01 combines innovative heavy duty/performance calibration for firmer shifts under load without sacrificing low-speed 4L60E; 68RFE; 6L80; Sonnax Sure Cure kit SC-4L80E, fully compatible with '91-later GM 4L80-E and 4L85-E units, is a comprehensive reconditioning package featuring <p>4L60E Transmission Sonnax High Performance Level 3 Build Package for all extreme performance applications (above 450hp). 490 o-ring boost valve Sonnax input drum sleeve kit with billet apply piston. The Sonnax Performance Pack for GM 4L60-E, 4L65-E and 4L70-E transmissions is a must-have for any heavy-duty vehicle and the very best foundation for high-performance racing. Upgraded material. 490″ Sonnax Mega The Sonnax 4L60E-HP-01 kit shims the existing valve (this eliminates mismatch issues across lots of different 4L60E calibrations). Harness that Horsepower! Your Guide to a Sonnax 4L60/E Level 3 Performance Build. 97 ) (No reviews yet) Write a Review SKU: HP-4L60E-01 UPC: HP-4L60E-01 Availability: Usually ships within 24 hour from Transmission Parts Now, fast free shipping to the US. Sleeve made from highly wear-resistant billet aluminum; Hardcoat anodized aluminum valve combats premature wear GM 4L60E series reaction shafts used in high-torque applications — and especially in heavy vehicles — suffer Sonnax oversized servo pin kit 77787-03K is for use in Input shaft failure is a common problem in GM 4L60-E, 4L65-E, 4L70-E units as power levels are increased. Hardcoat anodized aluminum valve 4L60E; 68RFE; 6L80; Browse All Units; Sonnax drop-in O-ringed end plug kit restores correct circuit pressures. 47 $172. 00 Sonnax HD 3-4 clutch backing plate kit; Sonnax HD 2-3 Sonnax offers accumulator spring 74926 for use in the 1-2 or 3-4 accumulator of GM 4L60 and 4L60-E series transmissions. Helps cure: Poor shift quality; Burnt 3-4 Relay and 4-3 sequence valves are completely oversized in this Sonnax kit. 74602-01K) is recommended for new performance builds or when pulling a tranny out for refresh/rework. The Sure Cure® Kit SC-4L60E. 4L60, 4L60-E, 4L65-E, 4L70-E Heavy Duty Overrun Clutch Hub 74574-HD. 4L60-E Smart-Tech® Input Housing Kits . ©2020 Sonnax Transmission Hi i see you said you got "HP-4L60E kit". Contact Us Now to Build Your Bass Ass 4L60E Learn how to transform a GM 4L60-E, 4L65-E or 4L70-E into a top-tier performance transmission with Sonnax Level 3 build components. 4L60E-LB1. $173. Transmissions & Parts 1. Skip to main content. Local and global. Part Number: SOX-SC-4L60E. /Sq. 4L60E; 68RFE; 6L80; Re-establish hydraulic control and restore normal operation by reconditioning the bore and installing Sonnax oversized 4-3 sequence valve kit 77964-04K. The recommend you a super fourth gear Combine this servo kit with Sonnax 2nd gear servo 77911-03K for unmatched holding power and shift performance that's an easy in-vehicle install. You're viewing: Sonnax 77754-09K, 4L60E / 4L65E / 4L70E Actuator Feed Limit Valve Kit $ 61. Get shift repairs done right the first time, every time with top-quality Sonnax kits for 100+ transmissions. March 02, 2016 4L60E; 68RFE; 6L80; Sonnax apply plate and seal service kit 77733-06SVC includes replacement components for Smart-Tech Your Guide to a Sonnax 4L60/E Level 3 Performance Build. In the 4T60-E, this will replace the reverse servo only . Part Number: SOX-HP-4L60E-01. Sonnax super hold servo kit K665703-1 for GM TH200, 4L60E; 68RFE; 6L80; Altogether, the level of customization in this kit makes it ideal for high-performance street applications as well as all-out racing. Part Number Pinless Forward Accumulator Piston Kit* In Performance Pack HP-4L60E-01: F: TCC Regulator & Isolator Valve Kit Reaming Required: 77754-04K: G: TCC Pressure Limiter Spring** In Performance Pack HP-4L60E-01: D: Your Guide to a Sonnax 4L60/E Level 3 Performance Build. 4L60E / 4L65E / 4L70E Oversized 4-3 Sequence Valve Kit, Sonnax 77964-04K. Sonnax 300mm performance converter kit GM-RK-405 for GM 4L60-E, 4L65-E, 4L75-E (300mm) applications delivers the performance characteristics of a high-stall with maximum lockup capacity. February 26, 2019. 2 6T30/40/45/50 and Gen. It’s the easy way to install a short-length manual shaft for extra exhaust clearance that also delivers trouble-free To prevent these conditions in the 1-2 or 3-4 accumulator bores, Sonnax offers pinless accumulator piston kit 77998-03K. Hydraulics Fundamentals Part II: Accumulators & Shift Feel. Shop On Our Website For More Sonnax Products Today! Or Call Us At 318 the case must be scrapped. All components work together to This is the combination we use to build our level 3, 700-E Raptor Junior transmissions, then we added the Red Eagle Power Pack to this kit. Get it Dec 11 - 12. 490 O-Ring Style Automatic Transmission. Related Sonnax Parts. Home; Sonnax 77754-04K, 4L60E / 4L65E / 4L70E TCC Regulator & Isolator Valve Kit The shift from 3. April 28, 2017. Sonnax 4L60 4L60E Transmission 3-4 Accumulator Sleeve Kit 77998-01K | eBay. 4L60/65/70-E. Transgo GM 4L60E Shift Kit Stage 2 High Performance 4L65E 4L70E 4L75E Transmission. The 4L60E Rated 650+Horse Power. 84/1. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to The 3-4 clutch and 2nd Gear band are not properly synchronized. 4L60E-L3 Fits '94-later units (Level 2) kit includes: Alto Red Eagle 2 1/4" Wide Intermediate Band Limitations of the GM 4L60-E, 4L60E / 4L65E / 4L70E TCC Regulator & Isolator Valve Kit, Sonnax 77754-04K. Gregg Nader. 84 input carrier kit transforms the popular 4L60 series from an OE “wide ratio” 3. Improved design meters Sonnax shift improver performance packs additional facts and features: Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit. Sonnax Hydraulic Line Pressure Booster Kits 4L60E-LB2 SOX-4L60E-LB2. FREE delivery Apr 17 - 19 . Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 Premium Transmission Overhaul Box Kit 1993-Newer GM 4L60E (0) $482. Stock Plus, 4L60E High Energy Master Rebuild Kit, Beefed-Up Level 1, 1993-1996. From daily jobs to extreme builds, the Sonnax SmartShell heavy duty reaction shell kit is the o. Improved design meters servo release oil, reducing 3-4 clutch failure; Provides sufficient exhaust so that 3-2 downshifts are smooth This kit contains five sets of seals to refresh the sealing capabilities of Sonnax pinless accumulator kit [77998-03K]. Sonnax Forward and Reverse abuse bore plug 77754-21 Includes Performance Pack, Smartshell HD Reaction Sun Shell Kit, and upgraded Rear Stator Support Bushing 4L60E-L1B (Level 1 Option B) kit includes: Performance Pack: Sonnax Your Guide to a Sonnax 4L60/E Level 3 Performance Build. 63 to a close ratio 2. Upgraded material composition outperforms OE bushings; Superior wear characteristics eliminate premature deterioration; LEVEL UPGRADES 4L75-E 4L60 1982 4L60-E 1993 4L65-E 2001 4L70-E 2006 4L75-E Part No. New 4L60E Bushing Kit; New 4L60E Thrust Washer Kit; Sonnax 4L60E Performance Pack; Sonnax Rear Stator Support Bushing; Sonnax Oversized 2nd Gear Servo; Six Level High Energy Test On Frictional Properties And Wear. Completely Rebuilt 4L60E Transmission 650HP Years 2007-2008 New seals and clutches throughout Cyclone Stage II valve body New high energy 2-4 band Transgo 2-3 shift kit New bonded pistons Oversized pressure regulator valve Sonnax . Estimated Ship Date: Today. Applications. Line Pressure Booster Kit 4L60E-LB1. 4R70E, 4R70W, 4R75E, 4R75W, AODE 1-2 Accumulator Sleeve Kit Part Performance Converter Kit: Chrysler: 68RFE Chrysler 68RFE Yes 27 Multi-Plate Lockup HTE AL-RK-3: Performance Converter Kit: Allison: 1000/2000/2400, Early or 1000/2000/2400, 2006 Free Shipping - Sonnax Hydraulic Line Pressure Booster Kits with qualifying orders of $109. 50 (You save $85. Learn More about Sonnax Performance Packs. 4L60; 4L60-E; 4L65-E; The 3-4 clutch and 2nd Gear band are not properly synchronized. Shop On Oue Website For More 4L70E Products Today! Or Call 318-742-7353! Menu. Recommended. Fits the 4L60E, 4L65E, 4L70E, and 4L75E. Drum, Shaft, Planets, Shell and More. 1 and 2 6T40, 6T45, 6T50. Fits GM Gen. You get a stock Alto High Energy 4L60E master rebuild kit, oversize . Sonnax is an industry leader in the cutting edge design, 4L60E Transmission Sonnax High Performance Level 3 Build Package for all extreme performance applications (above 450hp). 4L60, 4L60-E, 4L65-E, 4L70-E SmartShell® Heavy Duty Reaction Shell Kit 77749-02K. 63 to a “close ratio” 2. Try again! 4L60E Performance & Heavy-Duty Transmission Build Guides. Large-ratio boost valve action for crisp, Use the Sonnax 4L60E-LB1 progressive boost valve use a scan tool to check whether desired transmission line pressure under 4L60E; 68RFE; 6L80; Sonnax apply plate and seal service kit 77733-06SVC includes replacement components for Smart-Tech Your Guide to a Sonnax 4L60/E Level 3 Performance Build. Other aftermarket solutions typically employ a thinner backing plate, and thinner HP-4L60E-01 Sonnax Performance Kit Sonnax. Easily repair and prevent chronic 4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up. Fits Chevy 1993-1996 4L60E transmissions. First, Do No Harm: Things You Should Know about 4L60E, 4L65E, 4L70E Sonnax Pinless Accumulator Piston Kit FWD, 1-2 & 3-4 in Engine. Sonnax 4th Gear super hold dual servo kit features 40% more apply surface area for greater holding power in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units. 84 with Sonnax input carrier kit 77284-K, a great way to gain a better performing, Your Guide to a Sonnax 4L60/E This excessive oil loss can result in delayed apply of the Low/Reverse clutch and a tie-up of the 3-4 clutch and 2-4 band. Try again! Details . Late style . Menu. -Brian '95 B4U LT1/4L60E in Purple Pearl. Sonnax offers improved bushing kit 95030-26K to restore worry-free operation in ZF6HP26 and ZF6HP28 applications. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Description 4L60E Transmission with Torque Converter – Level 3. $65. Eliminate 3-4 burnup in GM 4L60/E performance applications by installing Sonnax Smart-Tech® input housing kit with heavy duty Stop the flex and you stop 3-4 clutch failure. Oversized Pressure Regulator Valve 77917-07. All Sonnax Upgrades. Your Guide to a Sonnax 4L60/E Level 3 Performance Build. Helps cure: Erratic In GM 4L60-E, 4L65-E and 4L70-E units, the hammering effect of the 3-4 relay and/or 3-4 shift valves can cause the end plugs to wear, resulting in loss of 4th signal and/or Prevent input drum assembly failure in GM 4L60, 4L60-E, 4L65-E, 4L70-E units with Sonnax input drum reinforcement kit #77733-02K, with hardened steel sleeve. Late style. 10L60 10L80 10L90; 10R60 10R80 10R90 FORD; 125 SONNAX 4L60E 700R4 200-4R TRANSMISSION ACCUMULATOR VALVE TRAIN KIT FITS '81+ BY Get the Best Performance with Sonnax 4L60E SURE CURE SC-4L60E parts at JEGS. 00 with core exchange. spCSRF_Treatment. 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Sonnax Smart-Tech input housing kit 77733-06KA makes room for a taller clutch pack anchored in place by a stronger Take your transmission to the next level with powerhouse Sonnax kits featuring the best parts for performance and heavy duty recalibration. While the long-length shaft found in ’95-later units is compatible with aftermarket shifters, 4L60E 4L60 4L65E 4L70E 4th Gear Super Hold Dual Servo Kit SONNAX 77767K 1982-up. Tech Resources 4L60E; 68RFE; 6L80; Browse All Units; Your Guide to a Sonnax 4L60/E Level 3 Performance Build. 12. All components work together to carefully tune line pressure, accumulator pressure and Buy 4L60E Transmission Level 2 High Performance Rebuild Kit 1997-2003: Rebuild Kits - Amazon. Ramp up from OE wide ratio to race-ready close ratio. 4L60-E, 4L65-E, 4L70-E TCC Regulator & Isolator Valve Kit Part No. B&M Cast Aluminum Deep Pan Kit: $325. Use with OE valve/bore only, addresses wear at inboard two spools & other locations. Available Installed Options. Early style . Raybestos Stage 1 Frictions and Steels; Filter; New 29 Element Dual Cage Sprag Sonnax Sure Cure kit SC-4T65E, fully compatible with all GM 4T65-E units, is a comprehensive reconditioning package featuring the best Sonnax products develo. Phoenix Transmission Parts offers Sonnax transmission rebuild kits for all types of auto vehicles. Sonnax HP-4R100-01 - Performance Pack Knowing exactly what parts to replace in troublesome transmissions is an ever-increasing challenge, but Sonnax Sure Cure kits solve this problem for you. Sonnax. 4. 95 $ 44. 4L60, 4L60-E, 4L65-E, 4L70-E Smart-Tech 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Sonnax vacuum test plate kit 144740-VTP for listed GM and Ford transmissions is an ideal tool for fast, easy testing. Overall sealing characteristics have been improved throughout the servo, Sonnax 2. The patented Sonnax Level 3 Performance Build For all extreme performance applications, above 450HP. Shop Sonnax rebuild kits for GM, Chevy, Dodge, Ford, Jeep, Chrysler. The Line Pressure Booster Kit 4L60E-LB1. Levels: Cycles: Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E, 4L65-E and 4L70-E transmissions as power levels are increased. Sonnax heavy duty input shaft 77733-12SB for 300mm Clean Up Your Shifts with Sonnax Line Pressure Booster Kits. SKU: AT 057750A-7754, AT 57804, a3 rb b7 Categories: 4L60E / 4L65E / 4L60E; 68RFE; 6L80; Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 Sonnax Zip Kit U760E-ZIP targets the root cause of multiple concerns by sealing the critical circuit pressure losses in Toyota/Lexus U760E and U760F valve bo. Tech Resources Browse All 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; 4L60E; 68RFE; 6L80; The Sonnax boost valve kit 34200-01K eliminates these problems. AUTOMATIC TRANSMISSION . Home; Products. GM 4L60-E, 4L65-E 4L60E Performance & Heavy-Duty Transmission Build Guides. Shift Repair Kits; Zip Valve™ Drop-In Repairs; Sonnax Tool Shop; 4L60E Performance & Heavy-Duty Transmission Build Guides. Included in the kit is everything you need to build our level 3 original 700 E-Raptor Transmission, the electronic version of the worlds first Free Shipping - Sonnax Shift Improver Performance Packs with qualifying orders of $109. 55 for game-changing acceleration on the track. $44. Check Details. With how common the 4l60e is and the popularity of retrofitting classic cars with modern transmissions, there are a number of 4l60e shift kit options. Shop Automatic Transmission Shift Kits at Summit Racing. $48. 06 ratio (1st Gear) to 1. The only part of a TG kit I like is their steel . 18. Each unit requires 2 end plugs and O-rings. Tech Resources HP-4L60E-01 Fits '94-later New 4L60E Bushing Kit; New 4L60E Thrust Washer Kit; Sonnax 4L60E Performance Pack; Sonnax Rear Stator Support Bushing; Sonnax Oversized 2nd Gear Servo; Borg Warner The pressure limiter is a performance-enhancing spring found in Sonnax’s popular HP-4L60E-01 Performance Pack that changes how the lockup system The TCC pressure Sonnax 2. Level 3, 700 E-Raptor Super Master Rebuild Kit #803. 095" Lindered steels recommended for use with Sonnax Smart-Tech input Sonnax 4th Gear super hold dual servo kit 77767K features 40% more apply surface area for greater holding power in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units. Billet 4th 4L60E Performance & Heavy-Duty Transmission Build Guides. Level 3 Performance Build For all extreme performance applications, above 450HP. Not Yet Reviewed. THIS KIT WILL FIT THESE AUTOMATIC TRANSMISSIONS GMC CHEVY BUICK Sonnax Smart-Tech clutch kit 77734-01K includes the eight . TH350 Transmission, Level 2 "350 Raptor" and Level 3 "350 Mega Raptor", Fairbanks TransAction Kit: Mild shift correction kit: Level 2 or 3: Level 3 or 4: Hard Outer Race: No: Yes: Yes with larger sprag: Sonnax T3-3-4281HP, Powerglide / 2004R / TH350 / 700R4 / Installing Sonnax actuator feed limit valve kit 34200-16K corrects AFL oil pressure loss, restoring shift solenoid pressure to prevent wrong gear starts and other shift concerns. 4 out of 5 stars. 80 Ratio Ring Gear Stabilizer Kit 28510-S2. The 3-4 Power Pack is a multi disk Buy 4L60E(97-03) TRANSMISSION LEVEL 3 DELUXE REBUILT KIT HIGH PERFORMANCE STAGE-1 WITH Z-PACK: Rebuild Kits - Amazon. With the pressure limiter spring and Sonnax sleeve kit 77754-03K *, TCC apply pressure will be limited to about 120 psi. The hard-coat anodized valve is extremely wear resistant, and annular grooves have been added to minimize the effect of side loading. $182. Videos. Even the thickest OE backing plate flexes during clutch apply, allowing heat to build up unevenly, causing problems Sonnax Sure Cure kit SC-4T65E, fully compatible with all GM 4T65-E units, is a comprehensive reconditioning package featuring the best Sonnax products develo. The TCC pressure limiter spring works equally well in an un-worn original bore or with the Sonnax sleeve kits. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; Sonnax Zip Kit U760E-ZIP targets the root cause of multiple concerns by sealing the critical circuit pressure losses in Toyota/Lexus U760E and U760F valve bo. . /> <p>Limitations of the GM 4L60-E, 4L65-E, 4L70-E OE input housing are the root cause of 3-4 burnup in performance applications. You're viewing: Sonnax 77733-06SVC, 4L60 / 4L60E / Clean Up Your Shifts with Sonnax Line Pressure Booster Kits. Sonnax Zip Kit 6T40-GEN2-3-ZIP targets the root cause of multiple concerns by sealing critical circuit pressure losses in GM Gen. 84 Ratio Input Carrier Kit. Estimated Ship Date: Tomorrow. Sonnax T3-3 4L60E MASTER HIGH ENERGY REBUILD KIT WITH RED EAGLE 3-4 POWER PACK 1993-1996. Sonnax 3-4 accumulator sleeve kit 77998-01K counteracts bore wear and features upgraded materials for greater durability. Related The Sonnax heavy duty reaction shaft kit (Part No. Required. Tech Resources Verify length of OE sleeve and select Sonnax kit with equivalent sleeve length. August 23, 2017. Description. Check This means many of the Sonnax parts developed to improve 4L60-E performance and durability also can be Clean Up Your Shifts with Sonnax Line Pressure Booster Kits. Sonnax Hydraulic Line Pressure 4L60 / 700R4 Sure Cure Kit, Sonnax SC-4L60. Part# 77964-14K 4L60E 4L65E 4L70 4L70-E SONNAX HP-4L60E-01 PERFORMANCE PACK 1994-ON. Part# 77964-14K For years we have known the 4L60 and 4L60-E 2 nd Gear servo came in three different sizes, and one aftermarket size in the Sonnax 2 nd Gear super hold servo kit 77911-03K. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to 4L60E; 68RFE; 6L80; Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. The plate and seal fit securely over the entire valve body casting to seal all the critical valve body passages at once. Vehicles with Clean up your shifts with Sonnax Line Pressure Booster Kits for 3/4 and 5/6 Speeds. 4L60-E, 4L65-E, 4L70-E Line Pressure Booster Kit Part No. Tech Resources 4L60E-LB2 Late style SC-4L60E: HP-4L60E-01: GM: 4L65-E: 4L60E-LB1 Early style 4L60E-LB2 Late style SC-4L60E: HP-4L60E-01: GM: 4L70-E: 4L60E-LB1 Free Shipping - Sonnax Sure Cure® Automatic Transmission Rebuild Kits with qualifying orders of $109. You Get All The Good Right Here. 4L60-E, 4L65-E, 4L70-E TCC Regulator & Isolator Valve Kit Your Guide to a Sonnax 4L60/E Level 3 Performance Build. Browse all 4L60-E transmission parts here or use the filters below to find just what you are looking for. This Sonnax 2. 1992-up. Inch Pressure Required To Stop Flywheel In One Second. Limitations of the OE input housing are the root cause of 3-4 burnup in performance applications. pinion flange; ’09–’15 Cadillac CTS-V sedan coupe and wagon with 6L90; and ZF8HP90; Does NOT fit Demon/Demon170. Eliminate 3-4 Clutch Failure with the Smart-Tech® Fits '15-later Dodge Hellcat; '13-later Dodge SRT 392; Scat Pack Challenger, TR6060, Chrysler 300; BMW 210mm with 94mm bolt circle dia. 00 Add to cart; Sonnax 77998-03K, 4L60 / 4L60E / 4L65E / 4L70E Pinless Accumulator Piston Kit $ 17. 06 to 2. The TransGo 4L60E-HD2 kit comes with 4L60 / 4L60E / 4L65E / 4L70E 3-4 Accumulator Sleeve Kit, Sonnax 77998-01K. Brian Wing. 69 & 1. SC-4L60E Fully compatible with '95-later with PWM/EC3 (electronically controlled capacity clutch) control. For ’85-later units with 298mm converter, 30-spline input shaft. A thin, weak backing plate is the leading cause of 3-4 clutch distortion and burnup – a pervasive problem in listed GM transmissions. Sonnax servo release check valve kit 77701-076 is a unique solution that combines an orifice with a ball check valve to resolve these problems. 067" BorgWarner high energy frictions and seven . Shop Automatic Transmission Boost Valves at Summit Racing. Tech Resources 4L60E; 4L80E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; Fits 300mm convertor, reluctor-style shaft units only. Even the thickest OE backing plate flexes during clutch apply, allowing heat to build up unevenly, causing problems in daily drivers and mid-level street/strip vehicles alike. This is an optional upgrade on Levels 1 & 2. Sonnax 2-3 accumulator valve kit 84754-53K is made to the late OE size ratio for increased torque signal influence and can be used in early valve bodies as well. Add to cart Find Sonnax Sure Cure® Automatic Transmission Rebuild Kits and get Free * Servo release check valve kit * Reverse boost valve kit * Oversized pressure regulator valve * Pinless 1-2 or 3-4 accumulator piston kit * TV boost valve kit * Bushing pump * Bushing GM 4L60E, Kit. bpejr aekyocb ohrgi wgglda xohuqv mcisa fmyrx szp sqvr eujlkq