S&S CYCLE Flywheel Assembly - 4-3/8" Stroke - Tapered Wrist Pin - 107" M8 320-0601

Flywheel Assembly - 4-3/8" Stroke - Tapered Wrist Pin - 107" M8
Perfect for gear drive camshafts, Consistent balance and precision machining, Balance gear is installed for easy installation, Strong assembly eliminates need to weld crankpin, Heat treated 4140 material is harder and twice as stong as stock, Connecting rods are designed with Finite Element Analysis (FEA) to eliminate weak spots , Includes flywheel, crankpin and connecting rods, Made in the USA, Not recommended for compression ratios higher that 10.0:1 for Tri Glide or other three wheel models (including conversion)., Displacement is with S&S cylinders and pistons.