S&S 3-5/8" bore replacement cylinders for the Sidewinder kits that S&S offers with 7.5:1 compression cast pistons for 1966-1984 Harley-Davidson big twin models. 5.330" cylinder length. S&S Part #: 91-9001
S&S 3 5/8” Bore Cylinder Kit for 1966 91-9001
- Brand: S&S Cycle
- Product Code: 91-9001
- Availability: Special Order
$1,999.95
Tags: S&S Cycle, Harley Davidson, Classic Pre-1984, Engine, Cylinder