Ford 9" 9310 Pro Gear - 28 spline Small Pinion

Ford 9" Pro Gear - Small Pinion 

Manufactured from ultra-tough 9310 steel, these gears are specifically engineered for drag racing and competition use where extreme torque loads and high horsepower are the demanded. Unlike street gears, Pro Gears are designed for the strip, trading longevity for the ability to withstand repeated hard launches and shock loading without failure.

• 9" ring gear diameter
• 1.313" diameter pinion bearing stem
• 28 spline pinion
• 9310 material

Available in the following gear ratios:

• 4.29
  
• 4.57
• 4.86
• 5.00
• 5.29
• 5.43
• 5.67
• 5.89
• 6.20
• 6.50

Add On Gear Treatments:

• Supra-Fin Polish Ring Gear
• SUBZ - Subzero Treatment for Ring Gear
• PEEN-02 - Shot Peen Ring Gear
• LRG - Lighten Ring Gear

NOTE: 9310 Pro Gears are not intended for street use, their softer composition maximizes shock absorption but results in shorter wear life under constant driving.