Ford 9″ 4.57 Pro Gear with 35 Spline Pinion US/Strange Gear – Produced in USA SBC • Billet hub caps with

• Billet hub caps with O-rings

• Exhibits 48% greater yield strength at 1

Housing width

largest selection of rates and heights

Ford 9″ 4.57 Pro Gear with 35 Spline Pinion US/Strange Gear – Produced in USA SBC • Billet hub caps withFord 9" 4. 57 US Strange Pro Gear with 35 spline pinion Part Number: RP07990457US 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