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! Availability: Usually ships the next business day ALY-21145Regular price. $129.94Sale price: $123.44 Most Popular Pages: Jeep Accessories Home -- Bestop Jeep Accessories -- Jeeps Tops -- Jeep Hard Tops -- Jeep Windows and Jeep Doors -- Jeep Bumpers -- Jeeps Seats -- Warn Jeep winch and Warn Jeep accessories -- Index Page -- Outland Jeep Accessories -- Tuffy Jeep Products -- Jeep Exterior Accessories -- Jeep Interior Accessories -- Jeep Windows -- Bestop Jeep Windows page -- Jeep Soft Tops -- Tire Covers -- Jeep Mirror and Jeep Mirror Brackets -- Jeep Doors -- Jeep Hardtop -- Jeep Parts JEEP®, WILLYS™, AMC™, WRANGLER™, CHEROKEE™, GRAND CHEROKEE™, CJ™, YJ™, XJ™, TJ™, JK™, ZJ™, WJ™ and other names are registered trademarks or trademarks of Chrysler LLC or their respective owners. Website Marketing by LogicMaze