1978 Rear axle for sale, GMC pickup, fits 73 to 87. ❌❌ Sold Out, Only 1 set remaining ❌❌❌ All sold, only one remaining. The ratio is, as clearly shown, 11/45. Tested on a vehicle, it makes a difference from 11/41 in torque and doesn't get stuck. It's a new pickup axle without a box.