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Trinity backs up Stage IV Porting & head mod with the 35mm Keihin carb kit, then adds the high-flow reed cage modification for increased response and RPMs. Then comes the heart of the Stage IV- A precision bore & power hone to accept the exclusive Superlite pistons that give your engine the ability to rev higher, faster and redirect crankcase pressure for unsurpassed power. Trinity even adds bulletproof Wrist Pin Bearings and their high-performance gasket kit for reliability. Add Trinity's optional Cad-Cam designed Diffuser Channel™ manifolds to squeeze out that last bit of power.




