Description
The S&S Cycle Idler Gearshaft is essential for maintaining precise ignition timing and reliable engine operation in your Big Twin. This OEM-quality replacement ensures your ignition system functions at peak efficiency, preventing timing drift and potential engine damage from worn components. If you’re rebuilding your engine or restoring original performance, this complete assembly eliminates the guesswork of sourcing individual gears separately.
- Fits Big Twin engines
- Includes circuit breaker drive gear
- Complete idler gear assembly
- Circuit breaker shaft gear with shims
- Made in U.S.A.
- Circuit breaker and idler shafts sold separately
- Direct OEM replacement
- Precision-engineered ignition timing







