S&S Cycle #320-0605 - Flywheel Assembly - 4-5/8" Stroke - Full Wrist Pin - 131" M8

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of, the new cranks for the Milwaukee-Eight® platform are the best of the best to build your high performance engine around.
FEATURES & BENEFITS

4-5/8" Stroke - Use S&S 131 Kits
Balance Gear installed
Heat Treated 4140 Material is harder & more than twice as strong as stock
Stronger assembly eliminates need to weld crankpin
Capable of higher RPM - More available power!
S&S High Strength Connecting Rods are designed with Finite Element Analysis to eliminate weak spots and handle more power!
Full width wristpin connecting rods (requires S&S Performance Pistons)
Balanced for S&S Performance piston weight (1213g)
Perfect for Gear Drive Cams
Consistent balance & precision machining
Capable of higher RPM – More available power!

Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.

Fitment