S&S Cycle #91-9130 - 93" Sidewinder® Big Bore Stroker Engine Performance Kit- High Compression

An S&S 93" 3-5/8" Sidewinder big bore stroker kit is an economical route to a larger displacement engine. This kit contains nearly everying needed to take a stock 74" or 80" HD® shovelhead engine up to 93" displacement. This kit includes S&S 3-5/8" bore high tensile cast iron Sidewinder® cylinders and forged pistons with wristpin and rings, a 4-1/2" stroke dynamically balanced S&S flywheel assembly, complete with S&S heavy duty connecting rods and mainshafts, S&S stainless steel head bolts, base nut, S&S adjustable chromoly steel pushrods, head gaskets, base gaskets, exhaust gaskets, and an S&S heavy duty top motor mount. Compression is 9.1:1

Fitment

Year(s)	Make	Model Code	Model
1970-1984	Harley-Davidson	—	Big Twin