Description
A worn or damaged crankcase main bearing directly compromises engine reliability, power delivery, and longevity. This OEM-quality replacement bearing restores proper crankshaft support and reduces parasitic friction, ensuring your engine performs at peak efficiency. Whether you’re rebuilding after high-mileage wear or recovering from bearing failure, this S&S Cycle component delivers the precision fit and durability demanded by serious riders and builders.
- S&S Cycle right bearing
- Part number 31-4017
- Main bearing assembly
- Crankcase right side
- USA manufactured
- Direct OEM replacement
- Precision-engineered tolerances
- High-load rated
- Bolt-on installation
- Harley-compatible fitment
