Description
Proper jetting is the foundation of carburetor tuning—get it wrong, and you’re leaving power on the table or risking engine damage. The S&S Cycle Main Jet .042″ is engineered for stock and performance engines that demand precise fuel delivery across the RPM range. This U.S.-manufactured component ensures your engine runs at its intended air-fuel ratio, whether you’re tuning a cruiser or a high-output build.
- Orifice size: .042″
- Manufacturer: S&S Cycle
- MPN: 11-7221
- Application: Stock, performance engines
- Material: Brass construction
- Made in U.S.A.
- Bolt-on installation
- Fits S&S carburetors
