Proformance Racing Transmission- External Dump Valve

Boost your turbo spool time and take control of charge pressure with this Billet External Dump Valve. Designed to plumb directly into your transmission cooler line, this valve is the perfect solution for big turbo drag race applications.

This 12-volt, twin-valve setup offers fully adjustable control using jet fittings, allowing for fine-tuning of dump volume. Engineered for easy installation, it bolts directly to a TH400 servo cover and supports clean integration into your drivetrain setup.

Features:

• Billet aluminum construction for durability and performance

• Helps spool large turbos faster by relieving line pressure

• Fully adjustable twin valves (controlled via jets)

• Simple 12V operation

• Direct bolt-on to TH400 servo cover

• Optional Powerglide standalone unit available (+$100)

Ideal for competitive drag race setups where turbo spool and pressure management are critical.