Sonnax, Superior, Transgo

Transgo Pressure Switch Repair Kit - PSR-5 Designed for 2006 and newer General Motors and BMW vehicles equipped with 6L45, 6L50, 6L80, 6L90, or GE...

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

Axle Bushing and Seal Kit 6F35, 6T40, 6T30 This kit includes: 1 SuperTuff bushing and 1 premium seal.Transmissions: 6T30 (MH9) 2009-UP, 6F35 2008-...

Superior Shift Kit with Separator Plate for TH350, TH350C, TH250, TH250C The Superior Shift Kit with Separator Plate is designed to enhance perform...

Transgo Cooler Flow Bypass Delete Kit for 2014-On 6L80, 6L90, 2015-On 8L90, 2017-19 Allison 6L80-CLR-BYPASS This Transgo Cooler Flow Bypass Delet...

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...

Sonnax Boost Valve Kit for 6L45, 6L50, 6L80, 6L90 Transmissions Upgrade your transmission's performance with the Sonnax Boost Valve Kit, designed f...

Sonnax Pressure Switch Rebuild Installation Tool Kit 6L45 6L50 6L80 6L90 6T70 (Gen 1) 6T75 (Gen 1) Transmissions: 6L80 (MYC,6L80E) 2006-UP, 6L45 (...

TransGo Valve Body Bore End Plugs for 4L60E, 4L65E, 4L70E (1993–2015) TransGo's valve body bore end plugs are designed to fix commonly overlooked h...

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...

Sonnax Boost Valve Kit for 4L80-E, 4L85-E GM 4L80-E and 4L85-E transmissions often encounter issues like uncontrollable line rise (up to 500-600 ps...

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 ...

Transgo Clutch Select Valve and TCC Regulator Valve Kit for 6L45, 6L50, 6L80, 6L90 6L8 CS-TCC This kit is designed for 2006 and later General Mot...

Sonnax Zip Kit for Gen 1 10L60, 10L80, 10L90, 10R60, 10R80, 10R90 The Sonnax Zip Kit 10L80-G1-10R80-ZIP is engineered to resolve the most common is...

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

Sonnax Extended Length Forward Band Servo Pin Kit for 4T60E, 4T65E GM vehicles equipped with 4T60-E and 4T65-E transmissions often experience case ...

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

TransGo Upgraded Piston Accumulator for 1st-2nd and 2nd-3rd Shifts Upgrade your transmission with the TransGo Upgraded Piston Accumulator, specifi...

Kit Piston Accumulator Sonnax 1st-2nd Clutch TH125 3T40 TH125C M34 MD9 GM vehicles with 125 or 3T40 transmissions may have problems with burnt forw...