Ford 10 Inch 9310 Pro Gear 3.89 Ratio Ring and Pinion Revolution Gear

PRICE: $1,474.99
MSRP: $1,548.99
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SKU:
F10-389-PRO
UPC:
850071246667
Condition:
New

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Ford 10 Inch Pro Gear Ring & Pinion – Ground Tooth Drag Racing Gears

Take your drag racing drivetrain to the next level with the Revolution Gear & Axle Ford 10 Inch Pro Gear Ring and Pinion—engineered for maximum strength, shock absorption, and consistency under extreme racing conditions.

Designed specifically for high-horsepower drag racing applications, this gear set represents a major advancement in performance gearing. Revolution Gear & Axle offers a Ford 10-inch Pro Gear in a precision ground tooth design, delivering superior gear mesh, reduced noise harmonics, and improved load distribution compared to traditional cut gears.

Why Choose Revolution Ford 10” Pro Gears?

Ground Tooth Technology

Unlike conventional pro gears, our ground tooth profile provides:

  • More precise gear engagement
  • Improved contact pattern consistency
  • Reduced friction and heat generation
  • Increased durability under high shock loads

This results in smoother power transfer and better reliability pass after pass.

Premium SAE 9310 Steel Construction

Manufactured from high-quality 9310 alloy steel, these gears are specifically engineered for drag racing:

  • Enhanced shock absorption for hard launches
  • Greater resistance to sudden torque spikes
  • Ideal for high horsepower

Unlike harder street gears, 9310 material is intentionally designed to be more forgiving under extreme stress—protecting your drivetrain during aggressive launches.

Proven Through Real-World Testing

Revolution Gear & Axle Ford 10” Pro Gears have been tested to average more passes than other competing gear sets in this category, ensuring:

  • Consistent performance under repeated runs
  • Reliable gear integrity at high torque levels
  • Confidence for serious racers pushing limits

Key Features

  • Application: Drag racing / competition use only
  • Gear Type: Pro Gear (soft material for shock absorption)
  • Material: SAE 9310 alloy steel
  • Tooth Finish: Precision ground
  • Ring Gear Diameter: ~9.5” (commonly referred to as Ford 10”)
  • Performance Focus: Maximum strength under extreme load conditions

Fitment & Installation Notes

  • Designed for use with aftermarket Ford 9-inch third members that provide sufficient clearance for the larger ring gear diameter
  • Requires a pinion support capable of accepting a 35 spline pinion gear
  • Requires proper setup by an experienced differential builder
  • Intended strictly for competition drag racing applications

Important Usage Information

These gears are purpose-built for racing—not street use.

Due to the properties of 9310 steel:

  • Provides superior shock load resistance
  • Will wear faster under continuous driving conditions
  • Not recommended for daily driving or street applications

For best results, use in dedicated race vehicles where performance outweighs longevity.

Built for Racers Who Demand More

If you're running high horsepower, launching hard, and pushing your drivetrain to the limit, the Revolution Ford 10 Inch Pro Gear delivers the strength, precision, and proven performance you need.

Revolution Gear & Axle Pro Gear Ring and Pinions are covered by a 1-Year Limited Warranty against defects in materials and workmanship.

This warranty applies only to manufacturing defects and is valid for one (1) year from the date of original purchase.

Due to the extreme conditions of drag racing, Pro Gears are considered competition-use components and are not intended for street use.

This warranty does not cover damage or failure resulting from:

  • Racing or competition use conditions
  • Improper installation, setup, or gear pattern
  • Incorrect lubrication or maintenance
  • Overloading, shock loading, or abusive driving conditions
  • Normal wear and tear associated with Pro Gear applications

All warranty claims are subject to inspection and approval by Revolution Gear & Axle. Any product found to have a manufacturing defect will be repaired or replaced at the sole discretion of Revolution Gear & Axle.

Revolution Gear & Axle shall not be liable for any labor, vehicle damage, downtime, or consequential expenses associated with product failure.

Product Category:
Ring & Pinions
Vehicle Type:
Car
spec|Country of Manufacture:
Italy
spec|Material:
9310
spec|Differential:
Ford 9 Inch Third Member
spec|Carrier Break:
No Carrier Break
spec|Ring Gear Bolt Thread:
10 x 7/16" & 1/2"
spec|Ring Gear Diameter:
9.5 Inch
spec|Pinion Splines:
35
spec|Gear Rotation:
Standard
Ratio:
3.89 Ratio

SPECS

Country of Manufacture:

Italy

Material:

9310

Differential:

Ford 9 Inch Third Member

Carrier Break:

No Carrier Break

Ring Gear Bolt Thread:

10 x 7/16" & 1/2"

Ring Gear Diameter:

9.5 Inch

Pinion Splines:

35

Gear Rotation:

Standard

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