93in. Sidewinder Big Bore Stroker Kit - Gloss Black. Fits Big Twin Shovel 1970-1984 - S&S

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 everything 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

* Forged pistons with wristpin and rings

* 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 8.5:1

Tech Tips:-

* Cases must be bored to accept 3-5/8" bore cylinders

* Cylinder Heads must be bored to accept 3-5/8" bore cylinders