Ford 9″ 4.86 Pro Gear with 28 Spline Pinion Richmond 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 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

Unsure about your application?
Please contact a Strange Sales Associate to discuss your vehicle

INSTALLATION KITS

Using Tapered Bearing Pinion Support
Daytona style………………. R5236 / R5236WR
HD Pro & Drag race…….. R5237 / R5237WR
Ultra case……………….. R5237UC / R5237UCR

Using Ball Bearing Pinion Support
HD Pro & Drag Race…… R5237B / R5237BR
Ultra & Billet cases… R5237UCB / R5237UCBR