Upgrade To Pro Gear
For Complete 12 Bolt Drag Race Rear End

Upgrade
For New 12 Bolt Rear End Orders Only

From
Standard Gear

To
Pro Gear

Available Pro Gears

4.11 / 4.30 / 4.33 / 4.56 / 4.88
5.14 / 5.38 / 5.57 / 5.86 / 6.00 / 6.14

US Gear, Motive, or Richmond depending on availability