PAC Racing RPM Series Valve Spring Dual Spring 425 lb/in Spring Rate 1.055" Coil Bind - 1.280" OD PXP RaceWear the tip of the valve

the tip of the valve stem is subjected to a tremendous amount of pounding

radiant heat can be controlled for maximum protection and performance

Universal fan clutches and spacers have a 3/4" pilot hole

Hi-Tech Polylocks work well in all high end race applications

1970-1970 Chevrolet G30 Van

PAC Racing RPM Series Valve Spring Dual Spring 425 lb/in Spring Rate 1.055" Coil Bind - 1.280" OD PXP RaceWear the tip of the valveProduct Description: Valve Spring RPM Series Dual Spring 425 lb in Spring Rate 1. 055 in Coil Bind 1. 280 in OD GM LS Series Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical