4.29 Pro Gear, Ring and Pinion, 4.29:1 Ratio, Ford, 9", (35-Spline), Pinion Dia. 1.501", US Gear, 4.30

4.29 Pro Gear, Ring and Pinion, 4.29:1 Ratio, Ford, 9", (35-Spline), Pinion Dia. 1.501", US Gear, 4.30

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 30
– 10 bolt holes in each bolt size
– 7/16″-20 RH threads & 1/2″-20 RH threads

Pinion
– 35 spline shaft
– Tooth count 7
– 1″-14 RH threads

Note
35 Spline Pinions Require Capable Pinion Supports
Will Not Fit OEM Or Daytona Style Supports

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

INSTALLATION KITS

Using Tapered Bearing Pinion Support
HD Pro & Drag race…….. R5238 / R5238WR
Ultra & Billet cases…. R5238UC / R5238UCR

Using Ball Bearing Pinion Support
HD Pro & Drag Race…… R5238B / R5238BR
Ultra & Billet cases… R5238UCB / R5238UCBR

*FOR CUSTOMER SAFETY AND ACCURACY PLEASE ENSURE SHIPPING AND BILLING ADDRESS BOTH MATCH UPON CHECKING OUT! WE CAN ONLY SHIP TO THE BILLING ADDRESS ON THE CARD USED FOR PAYMENT! THANK YOU!