PAC RACING SPRINGS Valve Springs - HR Series (16), by PAC RACING SPRINGS, Man. Part # PAC-1940-16 Valve Spring - Hot Rod Series - Dual Spring / Damper - 469 lb/in Spring Rate - 1.120 in Coil Bind - 1.555 in OD - Set of 16 $360.35 add to cart Quick view Add Wish List