Home » Shop Drag Racing Parts » Ring and Pinion Gear Sets » Ford 10 inch gears » Ford 10″ 3.70 Pro Gear with 35 Spline Pinion US Gear Lightning Series – Produced in USA

Ford 10" 3.70 Pro Gear with 35 Spline Pinion
US Gear Lightning Series - Produced in USA


Part Number: RP07910370ISF

Drag Race Use Only

Requires Specific Aftermarket Components

Case – Designed to utilize 10″ gear sets
Pinion Support – Ability to use 35 spline pinion gear
Housing – Additional clearance provided for 10″ ring gears

Will Not Fit OEM Cases or Housings

The ring gear is manufactured to 10″ specifications before the OD is reduced to 9.4″
Resulting in a much stronger tooth design than possible with 9″ or 9 1/2″ Pro Gears

Process removes machining marks and produces a smooth finish
• Reduces friction
• Eliminates break-in
• Increases durability
• Improves oil retention
• Diminishes heat generation & gear noise

Machined From 9310 Forged Steel
Heat Treated to Optimize Material Properties
Matched Ring & Pinion Set

Ring Gear
– 9.4″ actual OD
– Tooth count 36
– 10 bolt holes in each bolt size
– 7/16″-20 RH threads & 1/2″-20 RH threads

– 35 spline shaft
– Tooth count 10
– 1″-14 RH threads

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


Using Tapered Bearing Pinion Support
Ultra & Billet cases….. R5238UC / R5238UCR

Using Ball Bearing Pinion Support
Ultra & Billet cases… R5238UCB / R5238UCBR

Order any Gear Set Online and get free delivery and handling on your entire order! UPS Ground Only. Offer excludes truck freight and oversize fees. Valid on online orders shipped in the contiguous United States.


US Gear Lightening Series / Ford 10″ / 3.70 pro / 35 spline pinion

Additional information

Weight 23.00 lbs