World Products Man War Windsor Style Crate Engine Manley Severe Duty Valves
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The Manley Severe Duty valves in the 18-degree heads are 2.080 inches in diameter on the intake side, and 1.600 inches across on the exhaust side. They're the big doors to 72cc fast-burn-style combustion chambers that promote a quick, more complete burn of the mixture. View Related Article
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