Big Bore Kit

S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020


S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020
S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020
S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020
S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020

S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020    S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020
FOR USE WITH S&S OR STOCK PISTONS. 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. 4-5/8 Stroke - Use S&S 131 Kits. No balance gear included (can be 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! Tapered wristpin connecting rods compatible with stock pistons. Balanced for stock piston weight (1060g). Perfect for Gear Drive Cams. Consistent balance & precision machining.

Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes. The item "S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020" is in sale since Wednesday, December 16, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits".

The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.
  1. UPC: Does Not Apply
  2. Brand: S&S Cycle
  3. Country/Region of Manufacture: United States
  4. Style: Tapered Rod
  5. Size: 4 5/8"
  6. Manufacturer Part Number: 320-0617

S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020    S&S M8 Big Bore 4 5/8 Stroke Stroker Crank Flywheel Kit 131 Harley 2017-2020