High tensile strength 4340 Chromoly is heat-treated tempered and induction hardened to produce these heavy-duty axles that are up to 40% stronger than stock 1040 axles. Front axle shaft kits include everything you need to complete the job: both passenger and drive side inner and outer axle shafts seals U-joints and clips. This 30-spline chromoly inner front axle shaft from Alloy USA fits 74-79 Jeep SJ Wagoneers with a Dana 44 front axle. Fits the left side.
