Yukon Gear & Axle Differentials YDGGMVET-3-17-1 The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects. Dura Grip Positraction Fits '63-'79 Corvette, 2.73-3.90 gear ratios. Dura Grip positractions feature a 4-spring design and composite clutches for long life and forged internals for high strength. Diffrl
Vehicle Fitments:
| Year |
Make |
Model |
Submodel |
| 1963 - 1979 |
Chevrolet |
Corvette |
Base |
| 1978 |
Chevrolet |
Corvette |
Silver Anniversary Edition, Indianapolis 500 Pace Car |
| 1975 - 1976 |
Chevrolet |
Corvette |
Stingray |
