Dress up your radiator with a new "ALL ALUMINUM" Billet pressure cap. This is a polished cap sporting the V8 logo. This is a 16# radiator cap for a closed system ( used with an overflow tank) We carry a wide range of radiator caps, from the stock to the polished. We also custom build  "ALL ALUMINUM" surge tanks, fuel tanks and radiators. If you have any questions, feel free to contact us at 800-223-4299