Red Line Heavy ShockProof Gear Oil - 1 Quart (Case of 12) BR40013 This 19 circuit 1963-1966 GMC/Chevy

This 19 circuit 1963-1966 GMC/Chevy Pickup harness has many of the factory connectors already installed on the harness out of the box

Built around AutoMeter's responsive competition grade movements

rods and stems aligned

Sierra 2500 HD 2023-2001

Hyper-Flex Master System

Red Line Heavy ShockProof Gear Oil - 1 Quart (Case of 12) BR40013 This 19 circuit 1963-1966 GMC/ChevyThese products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers for proper limited slip operation About Red Line Gear Oil for Differentials: Fully synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions High viscosity index (VI) to provide relatively constant viscosity and film thickness with varying temperature