Description 1966-1979 Corvette Differential Drive Pinion Spacer – 3954483 This is a NOS Differential Drive Pinion Spacer / Crush Sleeve for 1966 through 1979 Corvettes. It is Genuine GM New Old Stock. The Spacer is still in the original GM box and has never been installed. Original GM part number 3954483. Size: 2.5 inches NOS parts are perfect for the owner who wants a truly original look! Fits: 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, and 1979 Corvettes. Remember, we ship orders of $40 or more FREE to the lower 48 United States!
