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400-XLT Billet Brake | Xtra-Lite BILLET Aluminum TH400 Valvebody
Coan Engineering's CNC machined billet aluminum turbo 400 valvebody.

Coan Engineering has just released the latest addition to its Xtra-Lite Technology (XLT) series of components for the TH400 transmission.

The all new 400-XLT "Billet Brake" line features a variety of fully CNC machined billet aluminum valve bodies in both 2-speed & 3-speed configurations.

Advantages of the "Billet Brake" include optimized fluid flow for quicker shift times and faster reaction times, along with a 5 pound weight reduction.

The new design also incorporates a valve body mounted trans brake solenoid to further enhance reaction time.

Our Mission...

Welcome to CoanRacing.com your online source for automatic transmissions and torque converters. Coan Engineering has been producing cutting edge performance products for over 30 years and is committed to building you "A Winning Combination."

At Coan Engineering, we specialize in custom designed transmission and torque converter packages for drag racing, monster truck racing, circle track racing, and street performance. Our engineering staff relies on state of the art methods to produce championship winning components.