This is our most popular performance cam kit for your IH engine. Not too much not too little. Perfect for use with headers and a 4 bbl. You can hear and feel the difference with this cam kit. But it is not too much for your stock heads. You should see additional economy too.
304 - V8
345 - V8
392 - V8 (non-improved cooling)
392 - V8 (improved cooling)