Description
The S&S Cycle Pinion Bearing is a critical wear item in Twin Cam engine assemblies—replacing it during routine maintenance or rebuild prevents premature wear on your crankshaft and ensures smooth, reliable operation at high RPM. Whether you’re running a stock setup or a built motor pushing serious power, this OEM-quality bearing maintains the precision clearances your engine demands. Choose genuine S&S engineering backed by American manufacturing and decades of proven performance in the Harley-Davidson community.
- S&S Cycle manufactured
- Twin Cam compatible
- OEM-grade quality
- Made in U.S.A.
- MPN: 31-4085
- Crankshaft pinion bearing
- High-RPM rated
- Bolt-on replacement
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