New Small Block Headers

^^This^^ I don't think this header is marketed for the average beater. If they want to sell to the guys that make a lot of power they'll need a 1 7/8-2" though.

not sure I agree with that.
pretty sure the West coast guy and his son on here who campaign stock and super stock A bodies( and those cars aren’t light by rule)….said he runs 1 3/4 headers on his 9 second super stocker.
gotta remember also these headers are only made for non offset stuff. Not more exotic heads.
I think you would be hard pressed to get many that would agree a header like this wouldn’t support 650 horsepower. And how many non offset heads are going to blow by that power wise.
I know when I had it, my w5 car went 135@3350 on super stock springs, that is 640, maybe 650 horsepower. That was TTI 1 7/8 headers with 3 inch standard street( 3 bolt) collectors.
I bet these headers are better than those…all day….
in other words , plenty capable of supporting anything a stock style head can dish out.
if I didn’t think so, wouldnot have bought them. I look at it as a good bit( hopefully ) more power that I don’t have to lean on the engine any at all to gather. No more rpm than currently running.