Yukon Gear & Axle YA W38832 Axle Shaft Fits 12-15 Wrangler (JK)Axle Shaft Axle Shaft; Left Hand Side; 27 Spline; 7166 U Joint Size; SPECIFICATIONS: Axle Type: Dana 30 WARNING CA Proposition 65: No FEATURES: Fits Dana 30 Differential Front Inner Axle; Left Hand Side Measures 18. 8 in. Long 27 Spline Uses 7166 Series U Joint Heavy Duty 4340 Chromoly Construction Yukon high performance axles are built with high tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and