As BVR21 said keep your eyes out for some oild smog era heads...BUT you do not have to settle for just 6X as those that might not have seen the recent flow test on 6X, 6X-8, 4X-7H and three other heads that HPP did, five out of the six heads tested did not out flow greater than the others. 4X-7H were 1 off in the INT and EXH category with the 6X-8s.
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A.J. "Bulldog" Murphy, MSgt
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