The TransGo A1-LU-BST Lock-up Boost Valve is engineered for your high horsepower 2001-2003 GM 2500HD/3500HD With Allison 5-Speed Transmission. This boost valve is designed to prevent torque converter slippage under heavy duty/race conditions by...

The TransGo FOMO-COOL Cooler Bypass Delete Kit will help prevent the 6R140 transmission in your Ford 6.0L/6.4L/6.7L Powerstroke from overheating. The bypass plug in this kit can be used by itself or in tandem with the other components allowing you to...

The TransGo RFE-PP-ODHP Overdrive Pressure Plate prevents overdrive clutch failure in your 1999-2022 Dodge/Chrysler "RFE" Transmissions (45RFE/545RFE/65RFE/66RFE/68RFE). The stock overdrive clutch capacity is inadequate with stock power ratings, making...

The TransGo RFE-TCCREG-OS Oversized Converter Regulator Valve will help reduce wear in your 1999-2018 Dodge/Chrysler "RFE" Transmissions (45RFE/545RFE/65RFE/66RFE/68RFE). This kit features an oversized steel valve that is made in America and restores the...

The 48RE-HD2 Reprogramming Kit is designed for hard working 2003-2007 Dodge Ram 2500/3500 (48RE Transmission) that tow and haul heavy loads. Common complaints on the 48RE transmission are TCC slip or shudder, direct clutch failure, as well as torque...

Prevent downhill clutch burnup in your 1989-2003 Ford Truck with E4OD/4R100 transmission with the TransGo 4R100-HD2 Tugger Reprogramming Kit. This Reprogramming Kit doubles low clutch holding pressure in manual first gear for downhill compression braking...

The TransGo TFRE-PRO Reprogramming Kit is engineered to give your 1996-2007 Dodge Ram Truck (With 46RE/47RE/48RE Transmission) a big increase in torque capacity. Specifically designed for the aggressive sport driver with plenty of engine power additions...

Purchase the TransGo TF-DETENT Valve Body Detent Ball Bore Repair for your 1988-2007 Dodge/Chrysler A518/46RH/46RE/A618/47RH/47RE/48RE Transmission. The 1988-2007 Dodge, Ram, and Jeep vehicles fitted with the small case transmissions such as the A500,...

The TransGo 5R1-PLUG-PS Pressure Switch Plugs will fix the slipping and solenoid performance codes in your 2003-2010 Ford Trucks With 5R110W Transmission. The 2003 to 2013 Ford vehicles with the 5R110W automatic transmission often have damaged pressure...

The TransGo A1-LU-BST-04 Lock-up Boost Valve is engineered for performance built 2004-2010 GM 2500HD/3500HD With Allison 5/6-Speed Transmission. This boost valve is designed to help prevent torque converter slippage under high horsepower and race...

Upgrade your 1999-2018 Dodge/Chrysler "RFE" Transmission (45RFE/545RFE/65RFE/66RFE/68RFE) with the TransGo SK 45RFE-A Shift Kit. These transmissions are known for rough lock-up apply, TCC slip codes, converter drain back, and excessive transmission...

Upgrade the 5R110W in your 2003-2010 Ford Truck with the TransGo SK 5R110W-A Shift Kit. Many complain about the following on the 5R110W: run-away reverse pressure, case lug blow out, no movement, slips or no reverse, neutralize at stops as well as...