SFI Extension Housing - TH400 Output Size w/ Roller Bearing

ATI Racing's Transmission Extension Housings are precision-engineered components designed to reinforce and enhance the output housing of automatic transmissions. Crafted from robust materials and available in multiple configurations, these housings offer improved structural integrity, reduced tailshaft friction, and extended drivetrain lifespan. Ideal for performance or race-focused builds, ATI’s extension housings deliver upgraded durability, smoother operation, and a race-proven foundation for serious drivetrain setups.