Quote:
Originally Posted by Jim85IROC
Yup. Under $700 for a pair of LS3 heads, brand new right from GM. How can you beat that?
I'm assembling a 6.0-based 402 stroker with LS3 heads & intake for my IROC. With a 230-ish cam, I anticipate 500+ RWHP with a fat torque curve to match... and 20+ mpg.
Let's see a big block do that. 
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wow keep me updated on this. Mine won't be a 402 but these ls3 heads sound like a good deal. Very interesting....