
Motive G80370 GM 7.75" 9 Bolt IRS 3.70 Ring & Pinion
This Motive Gear G80370 3.70 Ratio Ring & Pinion is for GM IRS 7.75" 9 Bolt rearends found in 2004-06 Pontiac GTOs. 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 G80370 GM 9 Bolt 7.75” Ring & Pinion Features:
- Fits Pontiac GTO 2004-06 IRS 9 bolt rearends
- 3.70:1 Gear Ratio
- 2 Year/100,000 Mile Warranty
- Ring Gear Teeth: 37
- Pinion Gear Teeth: 10
- Pinion Spline Count: 27
- Pinion Shaft Diameter: 1.376”
- 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 G80370 GM 7.75" 9 Bolt IRS 3.70 Ring & Pinion
This Motive Gear G80370 3.70 Ratio Ring & Pinion is for GM IRS 7.75" 9 Bolt rearends found in 2004-06 Pontiac GTOs. 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 G80370 GM 9 Bolt 7.75” Ring & Pinion Features:
- Fits Pontiac GTO 2004-06 IRS 9 bolt rearends
- 3.70:1 Gear Ratio
- 2 Year/100,000 Mile Warranty
- Ring Gear Teeth: 37
- Pinion Gear Teeth: 10
- Pinion Spline Count: 27
- Pinion Shaft Diameter: 1.376”
- 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 G80370 3.70 Ratio Ring & Pinion is for GM IRS 7.75" 9 Bolt rearends found in 2004-06 Pontiac GTOs. 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 G80370 GM 9 Bolt 7.75” Ring & Pinion Features:
- Fits Pontiac GTO 2004-06 IRS 9 bolt rearends
- 3.70:1 Gear Ratio
- 2 Year/100,000 Mile Warranty
- Ring Gear Teeth: 37
- Pinion Gear Teeth: 10
- Pinion Spline Count: 27
- Pinion Shaft Diameter: 1.376”
- 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!











