"ULTIMATE XST" KIT, INCLUDES 1-3/16" 27 SPLINE "SUPER ALLOY" INPUT SHAFT, COMPLETE BILLET ALUMINUM PUMP ASSEMBLY
The Coan Racing COA‑22880A‑AL “Ultimate XST” Kit is a high-performance transmission package purpose-built for Turbo Hydramatic 400 builds. This comprehensive kit includes a 1-3/16″, 27-spline “Super Alloy” input shaft engineered for exceptional durability, along with a fully billet aluminum pump assembly featuring a 29-spline heat-treated stator.
Designed for drop-in installation, the COA‑22880A‑AL fits standard TH400 cases without requiring modifications. Its hardened, high-quality components, paired with Coan’s engineering precision, provide locked-in reliability, firm hydraulic integrity, and readiness for bracket racing or pro-street environments. In summary, this kit offers a cohesive, race-ready front-end solution combining strength, responsiveness, and plug-and-play convenience.
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