FEATURES: Spring constructed of steel
INCLUDES: One header spring One black rubber gasket One white nylon gasket
REQUIRES: Fastening header to engine wit
The aluminum backplate replaces the EZ-Start drive unit on the TRX 2.5, TRX 2.5R, and TRX 3.3 Racing Engines. It allows more efficient fuel/air mixture flow through the crankcase and significantly...