5.4L 2V Valve Spring Lightning / Harley Set
These PAC valve springs are designed using state of the art equipment for the purpose of the best racing engines. Manufactured from high tensile chrome silicon steel and shot peened to MIL specs for the highest fatigue life. PAC heat treats to minimizes load loss. These springs are designed to allow engines to rev higher faster because of the springs are smaller diameter an lightweight. They have an extended tip thickness design to eliminate overload damage, the open end flatness reduces valve stem side loading.
1.175 in. outside diameter, 0.787 in. inside diameter and has a 120+ lb. rated. With a 1.080 in. coil bind height.
Comes in a set of 16
