The Edelbrock #12665 Single Stage 6.5 Hg Power Valve operates by using engine vacuum to control the opening and closing rate. During heavy load or under full power situations, they open to supply additional fuel to the main system to eliminate hesitation and bogging, ensuring the smooth delivery of power without any drivability concerns.
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MPN12665
CARBThis product is not CARB Legal and not for sale in California