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S&S Cycle 93in High Compression 3-5/8in Big Bore Cylinder & Piston Kit Gloss Black fits 1970-1984 Harley-Davidson FLH / 1980-1984 Harley-Davidson FLHS Electra / 1984 Harley-Davidson FLHX / 1980-1983 Harley-Davidson FLT Tour / 1981 Harley-Davidson Fltc...

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

S&S Cycle
91-9031
Special Order: Contact us to check stock and shipping lead times! Use LIVE HELP or call (724) 479-5480
$1,995.99 USD

NOT CARB LEGAL

$1,995.99 USD
S&S Cycle 93in High Compression 3-5/8in Big Bore Cylinder & Piston Kit Gloss Black fits 1970-1984 Harley-Davidson FLH / 1980-1984 Harley-Davidson FLHS Electra / 1984 Harley-Davidson FLHX / 1980-1983 Harley-Davidson FLT Tour / 1981 Harley-Davidson Fltc...
Description
This 3-5/8" big bore kit may be used to replace the cylinders and pistons of an S&S SH93 high compression engine or a stock HD® shovelhead engine that has been upgraded with an S&S 93" Hot Set Up Kit® . This kit may also be used to upgrade an engine with an S&S 84" stock bore stroker kit to 93". Stock crankcases must be bored to accomodate the 3-5/8" bore cylinders, but the 4-1/2" stroker flywheel assembly does not need to be rebalanced. The kit includes S&S 3-5/8" bore cylinders, 3-5/8" bore forged pistons with rings and wristpins, head gaskets, base gaskets, exhaust gaskets, and instructions. Compression is 9.1:1. The cylinders are longer then stock , so longer pushrods, and manifold must be used.

This Part Fits:

Year Make Model Submodel
1970-1984 Harley-Davidson FLH Electra Glide Base
1980-1984 Harley-Davidson FLHS Electra Glide Sport Base
1984 Harley-Davidson FLHX Electra Glide Special Base
1980-1983 Harley-Davidson FLT Tour Glide Base
1981 Harley-Davidson FLTC Tour Glide Classic Base
1971-1978 Harley-Davidson FX Super Glide Base
1982-1983 Harley-Davidson FXR Super Glide II Base
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