Yukon Gear Pinion Depth Shims For GM Ho72Yukon shim kits are precision machined and tailored for each individual application to ensure you have the right shims for every set up. This Part Fits: Year Make Model Submodel 1960 1972 Chevrolet C20 Pickup Base 1960 1972 Chevrolet C30 Pickup Base 1960 1972 Chevrolet K20 Pickup Base 1967 1972 Chevrolet K20 Suburban Base 1968 1972 Chevrolet K30 Pickup Base 1960 1966 Chevrolet Suburban Base 1967 1972 GMC C25 C2500 Pickup Base 1967 1972 GMC C35 C3500