Yukon Duragrip Posi For 63-79 Ci Corvette With 17 Spline Axles 2.73-3.90 Ratios Yukon Gear & Axle

The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction.
Details:

• Fits 1963-1979 Corvette
• 2.73-3.90 ratios only
• 4-spring, clutch style positraction
• Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
• Fully rebuildable
• Assembled in the USA
• Alloy Steel Carrier
• 1 Year Warranty Against Manufacturer Defects
• Sold As Each

Technical Notes:

• Yukon recommends the use of high grade GL-5 gear oil and Yukon LSD (Limited Slip Differential) additive for long life and smooth operation, part number OILADD
• The use of synthetic oil is allowed but may result in aggressive or noisy operation

Fits Vehicles:

• Chevrolet Corvette (1963 - 1979)