Description
Proper fastening is non-negotiable when it comes to cylinder base integrity on your Big Twin—factory hardware simply doesn’t cut it for high-performance or rebuilt engines. The COLONY Acorn Cylinder Base bolt and nut sets are engineered to OEM specifications with the precision fit and durability your engine demands. These U.S.-manufactured fasteners ensure consistent clamping force and eliminate the risk of loose hardware that can compromise cylinder sealing and engine reliability.
- Fitment: ’78-’84 Big Twin
- Application: Acorn bolt and nut sets
- Material: High-grade steel
- Manufacturing: U.S.-made
- Installation: Bolt-on replacement
- MPN: 7813-8
- Quantity: Individual sets available
- Purpose: Cylinder base fastening
