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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Suitable for a variety of vehicles
14” Flat Laminated 9 Bolt
Helps improve engine efficiency with better air flow
Large surface area pulls more air at low speeds
Holley Chrome Vacuum Secondary Diaphragm Housing and Cover 34-503 Chassis Suitable for a variety ofGenuine Holley Vacuum Secondary Diaphragm Housings and Covers are designed to replace your existing cover without any modifications. They are made of die cast aluminium and are chrome plated for durability. Sold individually, discontinued by Holley making these rare and hard to find. Holley Part No. 34 503 If carburetor is equipped with a black plastic cover then you must also purchase a special choke cable clamp kit, Holley Part No. 45 456, if you
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