GO 80W-90 GL-4 Gear Oil | Quart outdoor • Excellent Anti-Scuff Protection

• Excellent Anti-Scuff Protection

Increased thermal protection from high temperatures encountered while racing

XP9 utilizes select synthetic base oils for increased durability at high temperatures

Apply to cams and lifters for break-in protection

GO 80W-90 GL-4 Gear Oil | Quart outdoor • Excellent Anti-Scuff ProtectionGO 80W 90 GL 4 Conventional Gear Oil GL 4 protects yellow metals and provides proper synchronization to prevent clashing in synchronized manual transmissions. Best suited for use in classic muscle car manual transmissions such as Muncie where yellow metals are a concern and GL 4 gear oils are preferred. For rear ends differentials consider Driven GP 1 GL 5 80W 90 over this product as it contains higher levels of extreme pressure additives and limited