GO 80W-90 GL-4 Gear Oil | Quart outdoor Ideal for flat tappet and

Ideal for flat tappet and aggressive roller valve trains

causing viscosity loss

DT50 utilizes advanced mPAO synthetic base oils to provide protection for high operating temperature turbocharged engines

GP-1 ensures excellent film strength and a protective cling that shields engine parts under high loads

Increased thermal protection from high temperatures encountered while racing

GO 80W-90 GL-4 Gear Oil | Quart outdoor Ideal for flat tappet andGO 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