S&S Cycle 79-84 BT 88in Sidewinder 3-5/8in Big Bore Cylinder Kit - Gloss Black
Regular price
$2,180.99
Couldn't load pickup availability
Ready to install and hit the road!
All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!
Got questions?
Feel free to get in touch
Ask an expert
Installing this 3-5/8" big bore kit will increase the displacement of stock 80" HD® shovelhead engines to 88" using the stock 4-1/4" flywheels. This may also be used to build an 88" engine in 74" shovelheads if a 4-1/4" stroke flywheel assemble is also installed. The kit includes S&S 3-5/8" bore cylinders, 3-5/8" bore forged pistons with rings and wristpins, S&S stainless steel head bolts, base nuts, head gaskets, base gaskets, exhcaust gaskets, and instructions. Compression is 7.5:1. The cylinders are stock length so stock length pushrods and manifold may be used.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1979-1984 | 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 |
| 1982-1983 | Harley-Davidson | FXR Super Glide II | Base |