Nhra no bigger than stock cam journals

[junior barns]

Originally Posted by west coast

The reminder on NHRA for this rule also included larger diameter lifters, which i believe there are more of those then large journal camshafts. Either way there are a lot of blocks out there that would be not usable in stock anymore.

yes I don't think the NHRA letter mentioned anything about lifters that would make a person think that larger is legal!