Revolutionary new design proves to be lighter, stronger, and more economical than competitors'. 6061 T-6 billet aluminum construction. Anodized grey for looks and durability. Computer aided design for maximum weight reduction without compromising strength. 4140 steel guide rods add tremendous strength yet allow easy adjustment by hand. No loosening of bolts to adjust- simply turn. Special thread design eliminates vibration movement. Billet Aluminum u-joint. Unique bearing support eases installation and features aluminum bearing for weight reduction. Adjustor rod cone accepts a standard 1/2" ratchet. Fits either 5/8 or 3/4 rod end. Compact design- aluminum housing stands only 6" tall. Offers 3.125" of adjustment- plenty of adjustment at the track (start with rod end in the center to offer the most adjustment either way). Available in either 1.5", 1.75" tubing or 1.5" square tubing.