ZGK020

USA Standard Gear & Install Kit package for Standard Rotation D60 & ’88 & down GM 14T, 4.88 ratio Vendor Notes: 1972-1974 Chevrolet K20 Pickup (Front, Rear) (Liter: 6.6, 4.1, 4.8, 5.7, 7.4 & Engine(cc): 6588, 4097, 4098, 4786, 4801, 7441, 7439 & Engine(ci): 402, 250, 292, 350, 454 & Cylinder: 8, 6 & Block: V, L & Bore(in): 4.13, 3.88, 4.25 & Bore(mm): 104.8, 98.4, 108.0 & Stroke(in): 3.76, 3.53, 4.13, 4.00 & Stroke(mm): 95.5, 89.7, 104.8, 101.6); 1975-1981 Chevrolet K20 (Rear, Front); 1973-1981 Chevrolet K20 Suburban (Front, Rear); 1977-1986 Chevrolet K30 (Rear, Front); 1988 Chevrolet K3500 (Front, Rear); 1987-1988 Chevrolet V30 (Rear, Front); 1970-1974 GMC K25/K2500 Pickup (Front, Rear) (Liter: 6.6 & Engine(cc): 6588 & Engine(ci): 402 & Cylinder: 8 & Block: V & Bore(in): 4.13 & Bore(mm): 104.8 & Stroke(in): 3.76 & Stroke(mm): 95.5); 1973-1974 GMC K25/K2500 Suburban (Front, Rear) (Liter: 4.1, 4.8, 5.0 & Engine(cc): 4098, 4097, 4786, 4801, 5031 & Engine(ci): 250, 292, 307 & Cylinder: 6, 8 & Block: L, V & Bore(in): 3.88 & Bore(mm): 98.4 & Stroke(in): 3.53, 4.13, 3.25 & Stroke(mm): 89.7, 104.8, 82.6); 1979-1981 GMC K2500 (Rear, Front); 1979-1981 GMC K2500 Suburban (Front, Rear); 1979-1988 GMC K3500 (Rear, Front); 1987-1988 GMC V3500 (Front, Rear); 1975-1978 GMC K25 (Front, Rear); 1975-1978 GMC K25 Suburban (Rear, Front); 1977-1978 GMC K35 (Rear, Front)