Description
Proper breather gear clearance is critical for maintaining consistent valve timing and preventing catastrophic internal damage on Big Twin engines. This S&S Cycle shim kit gives you precision-fit options to dial in exact clearances without guesswork, ensuring reliable operation whether you’re running stock geometry or modified valve train components. Having the right shim thickness on hand eliminates downtime and lets you optimize performance safely.
- Manufacturer: S&S Cycle
- Part Number: 33-4249
- Application: Big Twin engines
- Shim Thickness Range: .100″–.170″
- Included Sizes: Eight incremental shims
- Material: Precision steel
- Installation: Bolt-on replacement
- Fitment: Big Twin specific
- Quantity per Kit: One each thickness
