PAC RACING SPRINGS 1.355 Single Valve Springs - RPM Series (16 PAC-1212X-16

PAC RACING SPRINGS Valve Spring - RPM Series - Single Spring - 380 lb/in Spring Rate - 1.180 in Coil Bind - 1.355 in OD - Small Block Chevy - Set of 16.
GM 604 CRATE ENGINE. NOT A BEEHIVE SPRING. FOR BEEHIVE USE PACPAC-1280X