Motive F890389 Ford 9 Inch 3.89 Ratio Ring & Pinion

This Motive Gear F890389 3.89 Ratio Ring & Pinion is for Ford 9 Inch rearends from 1955-1986. These ring and pinions can handle the extreme torque from high horsepower racing engines, and are perfect for dedicated racing or off-road vehicles!

Motive’s extensive engineering, computer-controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios make Motive Gear Performance ring and pinions the clear winner!

Motive Gear F890389 Ford 9 Inch Ring & Pinion Features:

• Fits 1955-1986 9 Inch rearends
• 3.89:1 Gear Ratio
• 2 Year/100,000 Mile Warranty
• Ring Gear Teeth: 35
• Pinion Gear Teeth: 9
• Pinion Spline Count: 28
• Pinion Shaft Diameter: 1.313”
• Manufactured from 8620 Steel

Engineered to the highest standards, every Motive Gear Performance product goes through rigid quality control processes in our in-house lab.

Motive Gear Performance: What the Pros run!