S&S Cycle 320-0459 3-Piece Flywheel - 4 1/2in. Stroke body-gas-tanks-accessories 2017-2022 Harley Davidson FLHX Street

2017-2022 Harley Davidson FLHX Street Glide

2002-2005 Harley Davidson FXSTBI Night Train

2006-2018 KTM 300 XC

2014 Polaris RZR S 800 EPS LE

Forged piston kit

S&S Cycle 320-0459 3-Piece Flywheel - 4 1/2in. Stroke body-gas-tanks-accessories 2017-2022 Harley Davidson FLHX StreetWithout 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