S&S 4-3/8" Stroke Flywheel+ Rods+ Balancer Gear HD M8 Models

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
4-3/8" Stroke (107 or 124ci)
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!