Alloy USA - Axle Shaft Rear, Jeep Wrangler (JK) 07-10, Dana 44, LH/RH, 30-Spline Alloy USA uses high strength 4140 Chromoly in all its Jeep® axles. Our axles are heat-treated twice and induction hardened to produce these heavy-duty axles that are up to 35% stronger than stock 1040 axles. Alloy USA™ uses the latest cold spline rolling technology, to produce splines that are stronger than traditional cut splines. Our shafts are covered by an exclusive 10-year warranty

BEARING CAMSHAFT STANDARD SET Fits: All Jeeps (1983-1998) w/ 2.5L engine; Set of 4. All Jeeps (1981-1990) w/ 4.2L engine; Set of 4. All Jeeps (1987-2004) w/ 4.0L engine; Set of 4.