Adjustable length Johnny Joint® front upper control arms found in our RockJock® off road suspension systems for the Jeep JL Wrangler and JT Gladiator are fabricated from 1.25" o.d. x .188" wall d.o.m. steel tubing, feature the 2" Johnny Joint® rod end on one end, and a formed steel fork and jam nut on the opposite end. New grade 8 bolts are furnished for the differential ends of the arms, while the frame ends retain the factory hardware. Arms and ends are finished in semi-gloss black powder coat.