Ford 9″ 4.86 Pro Gear with 28 Spline Pinion Richmond Gear – Produced in Italy

Ford 9" 4.86 Richmond Pro Gear with 28 spline pinion

PN : RPF90486S
Designed Specifically For Drag Racing

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″ O.D.
• Tooth count 34
• 10 bolt holes in each bolt size
• 7/16″-20 RH threads & 1/2″-20 RH threads

Pinion
• 28 spline shaft
• Tooth count 7
• 3/4″-20 RH threads