Revolution - Ford 8.8" Ring and Pinion Low Pinion 4.88 Axle Model_Ultimate Dana 44 AdvanTEK 1967 - 1972 GMC K15/K1500

1967 - 1972 GMC K15/K1500 Pickup

Dana 70 axles

73 and up carrier required

the lower from the bottom

1979 - 1996 GMC G3500

Revolution - Ford 8.8" Ring and Pinion Low Pinion 4.88 Axle Model_Ultimate Dana 44 AdvanTEK 1967 - 1972 GMC K15/K1500Product Details: Differential ring and pinion 4. 88 gear ratio 8. 8" ring gear 7 16" 20 RH ring gear bolt threads Thick ring gear 28 spline pinion shaft 1 5 8" pinion shaft diameter 8620 steel Parts Included: (1) ring and pinion set Fits: Ford 8. 8" rear low pinion axles 1975 1986 Mercury Grand Marquis 1979 1982 Mercury Cougar XR 7 1979 1983 Mercury Capri 1979 1979 Mercury Cougar 1979 1981 Ford Mustang 1981 1986 Mercury Cougar 1982 1988 Mercury Cougar