Uses:
• Differentials
• Transfer Cases
Directions:
1. Add 5% GOS™ to differential or gear case along with proper gear oil.
2. Do not overfill.
Packaging:
4 oz (#C0444) 12/case
Castle Gear Oil Supplement
Description
Castle® GOS™ is a high-performance gear oil supplement compatible with conventional and synthetic GL-4 and GL-5 oils. It protects gear surfaces, reducing operating temperature and friction by adding limited slip performance, while smoothing manual transmission shifting.
