Description

This Motive Gear G80390 3.90 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!

Motives 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 G80390 GM 9 Bolt 7.75 Ring & Pinion Features:

• Fits Pontiac GTO 2004-06 IRS 9 bolt rearends
• 3.90:1 Gear Ratio
• 2 Year/100,000 Mile Warranty
• Ring Gear Teeth: 43
• Pinion Gear Teeth: 11
• 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!