"Ultimate Performance" 400-XLT Kit

ULTIMATE PERFORMANCE 400-XLT KIT

• Includes all parts required for small diameter (5.8") billet aluminum rotating assembly between pump and center support
• Super shaft input
• Super sprag
• Set-up for 8 fwd and 8 direct clutch
• (1200+ hp)

The Coan Racing COA‑22871 "Ultimate Performance" 400‑XLT Kit is a top-tier transmission package engineered for the most demanding Turbo Hydramatic 400 builds. This comprehensive kit includes every necessary component for a compact 5.8″ billet aluminum rotating assembly positioned between the pump and center support. It features Coan’s rugged Super Shaft input and a high-capacity Super Sprag one-way clutch, all configured to accommodate eight forward and eight direct clutch plates, designed to reliably handle over 1,200 hp.

Manufactured to Coan’s exacting “XLT” standards, the kit dramatically reduces rotating mass through its CNC-machined aluminum construction while maintaining exceptional strength. It requires no case modifications and installs directly into standard TH400 cases, offering race-proven reliability for bracket racing, drag strip, or extreme street performance builds. For high-torque applications where durability, weight savings, and precise clutch engagement are essential, the COA‑22871 kit serves as a potent, plug-and-play solution packed with advanced front-end technology.