Product Details
Harley Davidson Softail Standard 2006, Sidewinder Big Bore Kit by S&S Cycle®. Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.
Notes
- Although not mandatory, S&S recommend adding an oil cooler to bikes ridden in warmer climates
- Not compatible with S&S 79cc Super Stock® heads. Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes
- Not legal for sale or use in California on any pollution controlled motor vehicle
- Not legal for sale or use on any epa pollution controlled motor vehicle
Fitment notes
- For 1999-'06 HD® Big Twin Models.
Specifications
Stroke: 4.0" |
BoreSize: 4.00" |
Cylinder Length: 4.937" |
Piston Type: Forged |
Dome Volume: 8.75 pop up |
83cc CNC Heads: 10.8:1 |
85cc Stock Heads: 10.5:1 |
89cc S&S Heads: 10.1:1 |
Includes
- Cylinders
- Pistons
- Gaskets
- Instructions
Features
- Low friction Ductile Cast Iron liner
- Bolts in. No machining, balancing, or splitting the crankcases
- 88" engines are boosted to 100"
Founded in 1958, S&S Cycle® has been providing high performance motorcycle parts for Harley-Davidson® and other v-twin motorcycles for over 55 years. Starting with a simple offering of light weight pushrod kits, the S&S motorcycle performance product line has grown to include exhaust systems, camshafts, carburetors, fuel injection systems, stroker kits, big bore kits, cylinder heads, service replacement parts and complete motorcycle engines for both vintage and modern v-twins.