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1981 Honda CM400C Custom
2016 Arctic Cat Bearcat 2000 XT
2005-2008 Suzuki C90 Boulevard
2022-2023 Arctic Cat M 8000 Mountain Cat Alpha One ATAC ES 154
S&S Cycle 320-0396 3-Piece Flywheel - 4in. Stroke helmets-offroad-helmets 1981 Honda CM400C CustomWith sprocket 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
