Description
PAC Racing 1300 Series Dual Valve Spring 780 lb in Spring Rate 1.130 in Coil Bind 1.500 in OD Set of 16 PAC 1357 H762427L They are made from a WEI7155 They are made from a thin wall 5 16" pushrod that is cut and threaded with over 1" of travel and features a 5 16" ball on each end Tesla X 2016 17 and our High Tech Engine test lab Micro Hardness