Yukon Gear & Axle YG GMVC5-390 Ring & Pinion Gear Set GM C5 Corvette 3.90 Ratio

The Yukon Gear & Axle YG GMVC5-390 is a high-performance ring and pinion gear set engineered specifically for the GM C5 Corvette Getrag differential at a 3.90 ratio. Built for enthusiasts who demand more from their drivetrain — whether on the street, the strip, or the track — this gear set delivers the precision and durability Yukon is known for.

Yukon engineers leverage state-of-the-art design processes, advanced heat-treating techniques, and two in-house quality labs to ensure every gear set meets exacting specifications. The precision-engineered tooth surface finish minimizes friction and heat buildup, making this set well-suited for high-torque applications and extended performance driving. High-grade steel construction in both the ring and pinion, combined with OEM-spec fitment tolerances, ensures a quiet, reliable install.

Key Features:

• 3.90 gear ratio for improved acceleration and performance tuning
• GM 8.25 in. Corvette (Getrag) differential application
• High-grade steel construction in both ring and pinion
• Precision gear tooth surface finish reduces friction and heat
• OEM-spec fitment for straightforward installation
• Compatible with 3.15 and higher carriers only
• Fits Getrag C5 and C6 Corvette with 27-spline pinion and mainshaft
• Does not fit 2005+ C6 Z06, ZR1, or Grand Sport (30-spline pinion and mainshaft)
• Sold as a complete matched set
• Backed by Yukon's 1-year warranty against manufacturer defects
• Eligible for Yukon's Y.E.S. Plan — lifetime, no-questions-asked coverage for as long as you own the vehicle

Whether you're adding horsepower, upgrading tire size, or dialing in your Corvette's performance, the Yukon YG GMVC5-390 ring and pinion gear set provides the strength and precision needed to handle the demands of high-performance driving.