S&S Cycle 320-0475 3-Piece Flywheel for 124ci. S&S Twin Cam - 4-5/8in. Stroke engine-pistons-piston-rings manifold seals

manifold seals

CW15 - ROUND WIRE PIN LOCKS 15MM (PAIR)

2018-2019 Harley Davidson FLFB Fat Boy 107

Aramid and Polyresin fibers which provide superior strength and extreme light weight

S&S Cycle 320-0475 3-Piece Flywheel for 124ci. S&S Twin Cam - 4-5/8in. Stroke engine-pistons-piston-rings manifold sealsWithout 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