Yukon 4340 chromoly rear axle for 2011 and newer GM 11.5" applications is offered as a robust replacement axle with a 40.25" length and 30 splines. Built from Yukon 1541H alloy, this axle increases strength over stock units and is available cut-to-length from 35" to 40.25" to suit specific rearend setups, making it suitable for heavier-duty street or off-road use.
Yukon Gear 4340 Chrome Moly Replacement Rear Axle For 2011+ GM 11.5in 30 Spline