Flywheel Assy 4-1/2

[S&S Cycle 320-0603 Flywheel Assy 4-1/2 Engine Parts Plot]
■Product Description 4-1/2 inch stroke (114 or 128 Ci). Equipped with balance gears. Made from heat-treated 4140 material, achieving more than double the rigidity and strength of genuine parts. Eliminates the need for crankshaft pin welding, improving strength. Increased power at high RPMs. S&S high-strength connecting rods eliminate weak points through finite element analysis, leading to increased power. Full-width wrist pin connecting rods (requires S&S performance pistons). Balanced to accommodate S&S performance piston weight (1213g). Ideal for gear drive cams. Stable balance and precision machining. Increased power for high RPMs. ■Specifications Material: Steel ■Notes *Images are for illustrative purposes only. Includes products with different sizes and colors. Product designs and specifications are subject to change without notice. Thank you for your understanding.