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!
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!
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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!
