Competition (Pro) Series 35-Spline Ring & Pinion Gear Set, 4.57:1 Ratio Suit Ford 9"

Perfect for drag racing, US Competition (Pro) Gears offer high strength and light weight with the necessary muscle to tame huge amounts of torque on the starting line. Run after run, they take a beating and come back for more! Competition gears use 9310 grade steel.

- High quality gears
- Quiet operation
- Consistent installation and setup
- Detailed instruction sheets
- Durability & longevity