Description
Motor case studs are critical fastening points that secure your engine’s core components under extreme heat and vibration. Factory studs can loosen, strip, or fail under sustained high-RPM operation, compromising reliability and risking catastrophic engine damage. COLONY’s OEM-equivalent studs deliver proven holding power and durability for 1970–1978 Big Twin applications, giving you the confidence to push your engine to its limits.
These chrome-finished studs are engineered to maintain clamping force across thermal cycles and extended riding. Made in the U.S.A., they meet the exacting standards expected by professional builders and serious enthusiasts who refuse to compromise on engine security.
- Fitment: 1970–1978 Big Twin
- Material: Chrome-plated steel
- Type: Individual stud and nut sets
- MPN: 8140-34
- Origin: Made in the U.S.A.
- Installation: Bolt-on replacement
- Application: Motor case fastening
