Auburn 342030 GM 10 Bolt 8.5"/8.6” Ring & Pinion 3.73 Ratio

This Auburn Gear 342030 3.73 Ratio Ring & Pinion is for GM 8.5” & 8.6” 1970-Present 10 Bolt rearends.

Replacing your gears or changing the ratio for better performance? Made from quality materials and manufactured to tight tolerances, this Ring and Pinion set ensures a great fit.

These sets come in a wide range of gear ratios to fit your individual application.

Auburn Gear 342030 GM 10 Bolt 8.5”/8.6” Ring & Pinion Features:

• Fits 1970-Present 10 bolt rearends
• Ring and Pinion Ratio: 3.73:1
• Ring Gear Diameter: 8.500 in.
• Ring Gear Rotation: Standard
• Ring Gear Bolts: 10
• Cover Bolts: 10
• Ring Gear Teeth: 41
• Pinion Gear Teeth: 11
• Pinion Spline Count: 30
• Pinion Shaft Diameter: 1.626 in.
• Manufactured from 8620 Steel

Note: Must use 2.73:1 and numerically higher carriers.

Auburn Gear- Built To Exceed Your Expectations!