S&S Cycle 320-0475 3-Piece Flywheel for 124ci. S&S Twin Cam - 4-5/8in. Stroke protection 2017 Arctic Cat Alterra 500

2017 Arctic Cat Alterra 500

2006 Harley Davidson FXDBI Street Bob

Include 2 lift spacers and all hardware necessary for installation

Billet aluminum tappet cuffs have a hard-anodized black coating and are stronger than stock to eliminate distortion

Zipper closures at wrists

S&S Cycle 320-0475 3-Piece Flywheel for 124ci. S&S Twin Cam - 4-5/8in. Stroke protection 2017 Arctic Cat Alterra 500Without 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