Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt S-A Books Automatic Shifter - Pro Ratchet

Automatic Shifter - Pro Ratchet - Universal

Instead of the armature rotating

Accuracy: < 1

390 gph at 8 psi

Yukon Gear & Axle High Performance Ring and Pinion - 4.56 Ratio - 30 Spline Pinion - 8.5"/8.6" - GM 10-Bolt S-A Books Automatic Shifter - Pro RatchetYukon Gear Ring & Pinion Gear Set For GM 8. 5" & 8. 6" Differential, 4. 56 Ratio Fits GM 8. 5'', 4. 56 ratio. Yukon uses the latest designs and manufacturing technologies to provide a quiet running gear that is strong and easy to set up Yukon Ring and Pinion sets give you the confidence of knowing you're running gears designed for the harshest of conditions. Whether it's on the street, off road, or at the track; Yukon Ring and Pinion sets deliver