C&R Racing, Inc. stocks only high pressure radiator caps. High pressure caps allow hotter coolant temperatures without the lose of water resulting in less overheating problems. High pressure caps are recommended for all high performance applications and are available in several pound ranges.Pit Stop USA offers C&R Racing Small Radiator Cap - 30 lbs. 1000010130 at low everyday prices. Be sure to check out all of our products from C&R Racing Radiators including C&R Racing Radiators Radiator Caps,Radiator Caps and Hose.