48RE Automatic Performance Valve Body

Factory Convenience. Performance-Built Reliability.

The Thompson Transmission 48RE Automatic Performance Valve Body is designed for drivers who want improved shift performance, increased clutch holding capacity, and dependable operation without sacrificing automatic shifting. Engineered for daily driving, heavy towing, and high-horsepower applications, our performance valve bodies deliver improved hydraulic control and consistent shift quality under demanding conditions.

Key Features:

• Fully automatic shifting

• Upgraded hydraulic calibration

• Improved clutch and band apply performance

• Increased line pressure for improved holding capacity

• Optional 1st-gear low/reverse band apply

• Designed for towing, street, and performance applications

• Retains factory-style automatic operation

48RE Full Manual Constant Pressure Valve Body

Maximum Control. Consistent Pressure. Built for Competition.

The Thompson Transmission 48RE Full Manual Constant Pressure Valve Body is engineered for high-horsepower street and race applications demanding complete control over transmission operation. Featuring a constant-pressure hydraulic configuration, this valve body maintains elevated line pressure independently of throttle position, delivering consistent clutch and band apply force. With fully manual gear selection and advanced lockup capabilities, it's an excellent choice for dedicated race trucks and extreme-performance builds.

Key Features:

• Full manual gear selection

• Constant line-pressure configuration

• No automatic upshifting

• Consistent clutch and band apply pressure

• 2nd-gear torque converter lockup capability

• Locked torque converter downshifting capability

• Optional 1st-gear torque converter lockup upon request

• Designed for high-horsepower racing applications

48RE Full Manual Split Pressure Valve Body

Precision Pressure Control. Full Manual Performance.

The Thompson Transmission 48RE Full Manual Split Pressure Valve Body combines complete manual shifting control with a split-pressure hydraulic configuration. Designed to provide different pressure characteristics across transmission circuits, this setup allows application-specific control of clutch and band apply pressure while maintaining the advantages of a full manual valve body. An excellent option for performance street trucks, drag racing, and specialized high-horsepower applications.

Key Features:

• Full manual gear selection

• Split-pressure hydraulic configuration

• Application-specific pressure calibration

• Improved control of clutch and band application

• 2nd-gear torque converter lockup capability

• Locked torque converter downshifting capability

• Optional 1st-gear torque converter lockup upon request

• Suitable for street and race applications

48RE Full Manual Converter Limiting Valve Body

Extreme Horsepower. Controlled Converter Pressure.

The Thompson Transmission 48RE Full Manual Converter Limiting Valve Body is designed for serious high-horsepower applications where managing torque converter charge pressure is critical. This configuration incorporates converter-pressure limiting to help prevent excessive converter charge pressure while maintaining the elevated line pressure necessary for demanding clutch and band applications. Built for dedicated competition trucks, high-boost diesel applications, and extreme-performance 48RE transmissions where hydraulic control and converter protection are essential.

Key Features:

• Full manual gear selection

• Converter charge-pressure limiting

• Helps reduce excessive converter loading and ballooning risk

• Maintains elevated transmission line pressure

• 2nd-gear torque converter lockup capability

• Locked torque converter downshifting capability

• Optional 1st-gear torque converter lockup upon request

• Designed for extreme-horsepower and competition applications