351 302 Headers

[robert fugate]

Bought a set of kooks headers ages ago for a project i was building.. Problem is i had so many different ideas 302 versions and 351 i cant remember what these headers were for.. Is there a way to tell between the two? Measurements and such?

 

[robert fugate]

bump.. can anyone maybe measure a set the have laying around? I looked at kooks website and they have so many different variations of headers its nuts.. I bought the headers off ebay so there no telling really.. Thanks in advance

 

[madspeed]

Measuring wont tell you squat either. Like you mentioned, theres so many variations its crazy