S&S Cycle 320-0459 3-Piece Flywheel - 4 1/2in. Stroke riding-apparel Kit comes fully assembled

Kit comes fully assembled

2012 Polaris Sportsman 850 HO XP EPS Orange Madness LE

Vehicle Fitment:

two internal pockets

1999-2006 Harley Davidson FXSTB Night Train

S&S Cycle 320-0459 3-Piece Flywheel - 4 1/2in. Stroke riding-apparel Kit comes fully assembledWithout Sproket bearing race Vast improvement over stock flywheels which shift out of true under heavy load. Heat treated 4140 material is 114% stronger than stock, eliminates thrust washer. Larger 1. 671in. crankpin, increased cross sectional area for increased crank pin clamping force. No welding required. Integral mainshafts, truer flywheels and less vibration. Notes: Strokes longer than stock will require S&S piston oiler set #31 2026. 07 up stock