FLYWHEEL 4-5/8" 84-99BT FLYWHEEL ASSEMBLIES FOR EVOLUTION MOTORS FLYWHEEL ASSEMBLIES FOR EVOLUTION MOTORS Made of high-strength forged steel and designed for stock and high-performance custom applications Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength Standard S&S tapered crankpin and pinion shaft are used for ease-of-service 81/2?" diameter with 41/2?" or 45/8?" stroke Kits come fully assembled, trued and balanced to stock H-D 80" or 96" pistons Include flywheel, crankpin and connecting rods Made in the U.S.A. NOTE: 90-99 applications will require pinion shaft conversion kit PART #33-4148.
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