Helix's adjustable 4-link features extra long 28 inch main bars and 18 inch secondary bars to provide you with the maximum in suspension travel and adjustability. All mounts are cut from 3/16 plate.Special infinitely adjustable CNC machined threaded rod ends are thicker than usual and thread over 2.5 inches into the 4-link tubes for both strength and adjustability. Fully plated mounting hardware included. Feature :: Heavy Duty Triangulated Full Size Universal. Main Bar :: 28 (711mm) Long. Secondary Bar :: 18 (457mm) Long. Bar Wall Thickness :: 4.1mm. Coil Over Brackets Positions :: 3.