S&S Cycle
S&S Cycle 79-84 BT 88in Sidewinder 3-5/8in Big Bore Cylinder Kit - Gloss Black
$1,995.95
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...
Financing options may be available at checkout, subject to approval.
Free shippingQualifying U.S. orders
Product supportReal specialist help
Genuine partsManufacturer backed
Available from supplier
Special-order item. Supplier availability and lead time are confirmed after your order.
Vehicle compatibilitySelect your vehicle
Choose your vehicle to check available compatibility data for this part.
Product information.
About this product
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 |
Product specifications.
- Brand
- S&S Cycle
- Product category
- Piston Sets - Powersports
- SKU / part number
- ssc91-9001
- Availability
- In stock