S&S Cycle 320-0475 3-Piece Flywheel for 124ci. S&S Twin Cam - 4-5/8in. Stroke fuel-air-reeds-reed-valves 2011 Polaris Ranger RZR 4

2011 Polaris Ranger RZR 4 800 EPS Robby Gordon

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S&S Cycle 320-0475 3-Piece Flywheel for 124ci. S&S Twin Cam - 4-5/8in. Stroke fuel-air-reeds-reed-valves 2011 Polaris Ranger RZR 4Without 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