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.