Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 33 Spline Axles / 4.10+

This is the Yukon Gear & Axle Dura Grip positraction unit, designed for GM 12-bolt car differentials with 33-spline axles and a 4.10 or numerically higher gear ratio. If you're looking to improve traction and put power down more effectively, especially when rebuilding or upgrading your rear end, this limited-slip differential is a solid choice. It's built to handle a variety of driving conditions, giving you more confidence on the road or track.

Yukon constructs the Dura Grip with a high-strength nodular case and forged 4320 chromoly spider gears, which are cut to ensure the strongest possible teeth for durability. The unit also features composite clutches that work to provide smooth yet aggressive engagement, helping to prevent wheel hop and deliver consistent power to both wheels. This differential is fully rebuildable, meaning you can service it down the line to maintain its performance. It's proudly assembled in the USA, reflecting a commitment to quality construction.

This positraction unit fits a range of classic GM vehicles, including models like the Chevrolet Impala, Chevrolet Chevelle, and Pontiac GTO. When you're ready to upgrade your drivetrain, the Dura Grip offers a well-built solution for improved performance and durability. Make sure to verify fitment for your specific vehicle and axle configuration before installation.