Description
Proper transmission fluid is non-negotiable for Big Twin longevity—the right oil reduces wear on gear teeth, minimizes noise during shifts, and prevents costly internal damage. BEL-RAY’s formulation is engineered specifically for dry-clutch Big Twin gearboxes, delivering the protection and performance your engine demands. The distinctive red color makes leak identification straightforward, so you’ll catch problems before they escalate.
- Application: Big Twin transmissions
- Final drive compatible: Yes
- Clutch type: Dry clutch only
- Volume: 6 U.S. gallons
- Color: Red (leak detection)
- Primary benefit: Wear protection
- Secondary benefit: Noise reduction
- Shifting: Improved smoothness
- MPN: 301828150033
- Installation: No special tools









