Aluminum Ultimate Dana 60 High Steer Arms - 6-Hole w/ Keyway - Pair Artec IndustriesArtec Industries introduces the Next Generation of Ultimate High Steer Arms. Our new arms are CNC machined from Billet 7075 High Strength Aluminum, which is 1 3 the weight of steel, giving better race times and less vehicle weight for better MPG and less wear on other components. The arms are tested in real world scenarios in recreational wheeler and Ultra4 Racecar 222 and shown no evidence of wear or tear. The arms are designed to handle crossover or