S&S 320-0605 4-5/8" Stroke Flywheel Full Width Rods balancer gear M8 Harley

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.