Nova Small Block 1962-1967 HeadersBy popular demand comes our new line of headers for 62 67 Nova for the SB Chevy. With primaries of 1 5 8", 1 3 4" or 1 7 8" with 2 1 2", 3" or 3 1 2" collectors, we have you covered up to 600 N A HP and far more with a supercharger. These headers have been prototyped with a Power Master 9540 Starter. Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a