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

Jounce Bumper Fits: Jeep Wrangler (1997-2006); Front or Rear. Jeep Grand Cherokee (1993-1998); Front. Dodge Ram (1994-1996) w/ RWD; Front. Dodge Ram (1997-2002) w/ RWD; BR body; Front. Dodge Ram (1998-2002) w/ RWD; BE body; Front.