Thread: Small block headers
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Old 11-06-2017, 04:13 PM
Lou1119 Lou1119 is offline
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Cobra Make, Engine: Superformance , Roush 427SR dyno'd at 526 hp
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Default Small block headers
What is the difference (s) between 302 and 351W headers? I've been told the 302 header pipes have round inlets to match the heads and the 351W pipes are rectangular .

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