S&S CYCLE Sidewinder® Big Bore Stroker Engine Performance Kit — 96", 3.625" bore, 4.625" stroke – 70-84 Big Twin, 80-83 Touring, 82-84 FXR, 84 Police

The Sidewinder® Big Bore Stroker Kit provides a near-complete overhaul solution for classic H-D. Shovelhead engines, containing the major components needed to increase displacement to higher capacities. 🔧

The kit includes high-tensile cast iron Sidewinder cylinders, forged pistons with wrist pins and rings, a stroker option, a dynamically balanced S&S flywheel assembly with heavy-duty connecting rods and mainshafts, S&S stainless steel head bolts, gaskets, adjustable chromoly pushrods, exhaust gaskets, and a heavy-duty top motor mount.

Made in the U.S.A., this kit is engineered for durability and sustained performance in high-output Shovelhead applications. 🇺🇸