These rocker arms allow the valve clearance to be finely adjusted by a set screw. They are manufactured to racing specifications (high rpm load), meaning that they are forged, cnc machined and dlc coated for the ultimate in reliability, which also makes them perfect for street use. - valve clearance is adjustable, which saves time at races and on maintenance. - longer contact surface to work with OEM or high performance camshafts. - work seamlessly under high rpm loads. - forged. - saves weight. - dlc (diamond like carbon) coated which reduces friction and is extremely durable. They will be an indispensable tuning component for your classic!

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.