Sonnax, Superior, Transgo

Pinless Accumulator Piston 1-2 & 3-4 Kit Sonnax TH700-R4 4L60E 4L65E 4L70E TH200-4R Upgrade your transmission with the Sonnax Pinless Accumulat...

Boost Valve Kit 4L80-E, 4L85-E From Sonnax Compatible with '91-later units featuring a factory-style sleeve (no O-rings). Can also be retrofitted t...

Transgo Forward Accumulator Piston for 4L60E, 4L65E, 4L70E (1993-2015) This 4L6-FWD aluminum forward accumulator piston is a direct replacement for...

Valve Body Separator Plate Transgo 4L60E 1996/06 TransGo Separator Plate for 4L60E 1996/06 (except 2005 Corvette) The TransGo Separator Plate for 4...

Transgo Drop-in Pressure Regulator Valve for 4L60E, 4L65E, 4L70E (1993-2015) In General Motors vehicles from 1993 to 2015 equipped with 4L60E, 4L65...

Sonnax 1-2 And 2-3 Shift Valve Spring Kit for 4L80-E, 4L85-E In GM 4L80-E and 4L85-E transmissions, proper 4th gear operation relies on signal A oi...

Sonnax Servo Release Check Valve Kit for TH700, TH700-R4, 4L60E, 4L65E, 4L70E The Sonnax Servo Release Check Valve Kit 77701-076 addresses key issu...

Transgo TYPE-3 1-2 Accumulator Piston Without Legs for 4L60E, 4L65E, 4L70E (2003-2015) The 4L65-2ACM is a Type-3 1-2 accumulator piston designed wi...

Transgo Reprogramming Kit with Gear Command for 4L60E, 4L65E, 4L70E 4L60E-HD2 4L60E-HD2 Reprogramming Kit, a comprehensive solution tailored for ...

Sonnax TCC Regulator Valve Kit for 4L80E and 4L85E Transmissions GM vehicles equipped with 4L80-E and 4L85-E transmissions may experience issues su...

Transgo Boost Valve and Bushing Steel Replacement Kit for 4L60E, 4L65E, 4L70E, 4L75E (1993 & Up) This high-performance boost valve and bushing ...

Piston Kit Pinless Forwad Accumulator Sonnax 4L60E 4L65E 4L70ETransmissions: 4L70E (M70) 2004-UP, 4L65E (M32) 1993-UP, 4L60E (M33,M30) 1993-UP Veh...

Sonnax TCC Apply Valve Kit for 4L60E, 4L65E, 4L70E (PWM Units Only) Stop torque converter slip and overheating in its tracks with the Sonnax TCC Ap...

Sonnax Boost Valve Kit for 4L60E, 4L65E Transmissions Early Style, .470" Diameter, OE Ratio, O-ring Style GM 4L60-E and 4L65-E transmissions are of...

Sonnax Oversized Pressure Regulator Valve for 4L60E, 4L65E, 4L70E Transmissions A worn Original Equipment (OE) pressure regulator valve in GM 4L60-...

Superior 4L60E-L Shift Correction Kit (1998-Up) | Code 1870 & TCC Fix Take control of your transmission’s health with the Superior K4L60E-L, th...

TransGo Reprogramming Kit with Gear Command for A340, A341, A343, AW4 (1985-ON) This 340-HD2 Reprogramming Kit is designed for 1985 and newer Toyot...

Sonnax Line Pressure Booster Kit for 4L60-E, 4L65-E, 4L70-E The Sonnax line pressure booster kit 4L60E-LB2 fits late-style GM 4L60-E, 4L65-E, and 4...

Boost Valve Kit for 4L30-E Large Ratio, OE Code 264 In GM 4L30-E the original equipment (OE) boost valves are crafted from steel, while the sleeves...

Sonnax Shift Cable Mount Bracket 4L60E 1996/97 4L80E 4L85E 1996 Transmission cases made in 1994 and 1995 have neutral safety switch mounting holes ...

Shift Kit Transgo Valve Body Repair RE4R01A RL4R01A RE4R03A R4AXEL R4AEL JR403E RG4R01A 4EAT JR402E Transmissions: RG4R01A (JR403E,JR403) 1987-UP,...

Sonnax Sure Cure Kit for 4L80E And 4L85E Rebuild with confidence and stop "comebacks" with the Sonnax Sure Cure Kit (SC-4L80E). The 4L80E is a heav...

Sonnax TCC Regulator & Isolator Valve Kit for 4L60E, 4L65E, 4L70E The Sonnax TCC Regulator and Isolator Valve Kit 77754-04K is designed to addr...

Transgo Oversized Actuator Feed Limit Valve for 4L60E, 4L65E, 4L70E, 4L75E (1993-2018) General Motors vehicles from 1993 to 2018, equipped with 4L6...