Features & Benefits
- High-performance gear protection enhancing synchro life.
- Quickens gear shifts, reducing notchy feeling even in cold conditions.
- Compatible with various gear oil viscosities: 75W, 80W, SAE 40, 10W40, and 15W40.
- Ideal for GL-1, GL-3, and GL-4 applications.
- Safe for brass synchros, avoiding harmful reactive sulfurs found in GL-5 oils.
- Established brand since 1979, known for superior performance.


















