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
NOTE: Crankcases must be bored to accept larger 3-5/8" bore cylinders
IMPORTANT: 1977-’89 style pinion gears, spacer, and nut are required when installing S&S flywheel assemblies. For installation in 1990-’99 or scratch built engines, order S&S Pinion Shaft Conversion Kit, Part No. 148910
The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.
|Bore Size||3.625 in.|
|Type||Top End Kit w/Cylinder|
Part 1401027 fits the following machines