Ford 9″ 3.70 Pro Gear with 35 Spline Pinion Motive Performance Gear – Produced in Italy

Designed For Drag Racing Only Pro Gears may be necessary when tooth breakage occurs with Standard gear sets Produced from a softer material, the teeth can flex as opposed to crack and break The life expectancy can vary anywhere from 15 to 300 runs depending on the vehicle If a Standard gear provided acceptable life, a Pro gear may not be the right choice Machined From 9310 Forged Steel Heat Treated to Optimize Material Properties Matched Ring & Pinion Set Ring Gear – 9″ OD – Tooth count 37 – 10 bolt holes in each bolt size – 7/16″-20 RH…