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The Yukon Dura Grip positraction limited-slip for GM 12-bolt car applications with 30-spline axles and 3.08–3.90 gear ratios provides confident traction while remaining fully rebuildable. It’s intended for drivers who need reliable limited-slip behavior in classic GM 12P housings. Built with forged 4320 chromoly spider gears, composite clutches and assembled in the USA, it fits 12P GM differentials with 30-spline axles and supports the stated gear ratios.
Yukon Gear Dura Grip Positraction For GM 12 Bolt Car w/ 30 Spline Axles / 3.08 To 3.90 Ratio
