HKS short and long runner manifolds

X-man

member
Dec 5, 2005
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Pulaski,Va
I think Will Neely ran an HKS short style manifold before he went to an SP header and he did over 550 rwhp on it I think. I ran the HKS long runner and did around 640 rwhp and could have done more with more rpm and a better ignition.