Motive GM12-373X GM Truck 3.73 12 Bolt Ring & Pinion

This Motive Gear GM12-373X 3.73 Ratio Ring & Pinion is for GM Truck 12 Bolt 8.875” rearends from 1963-87. It comes with a Thick gear to fit 2.76:1 to 3.42:1 ratio carriers. These stock performance ring and pinions are excellent replacements for OEM, making them the preferred choice by installers.

Motive Gear’s extensive engineering ensures that each ring and pinion set meets or exceeds OEM specifications, all at a budget-friendly price.

Their computer-controlled heat treatment, superior strength, quality and unmatched selection of gear ratios make Motive Gear Performance ring and pinions the best value in drivetrain components!

Motive Gear GM12-373X GM Truck 12 Bolt 8.875” Thick Ring & Pinion Features:

• Fits 1963-87 Truck 12 bolt rearends
• 3.73:1 Gear Ratio
• 1 Year/50,000 Mile Warranty
• Ring Gear Teeth: 41
• Pinion Gear Teeth: 11
• Pinion Spline Count: 30
• Ring Gear Rotation: Standard
• Pinion Shaft Diameter: 1.438”
• Manufactured from 8620 Steel

Note: Thick gear designed to fit 2.76:1 to 3.42 ratio carriers

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