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  1. Parts for Sale
    Brand new RHS head castings - 365 CFM as cast - Big Block Chevy. Asking $1400. Please call or text Jack at 978-400-6235
  2. GN7 On the Dyno
    looking at some new heads for my 505 m4 in the tx19. getting rid of the procomps(115cc) and goin to a 119 chamber/thick gasket otta drop my compression to near 12 to 1 , maybe a tad more, but cheaper to run no less. i'm looking for a head with good velocity on the runners and somewhere around...
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