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Find Throttle Bodies for your Thunderbird

Secondary Diaphragm / Holley 4000 / 55-57 292 & 312

Item EK-66-49409-1
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$34.99

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      Product Information

      Features, Description, Q&A

      Features

      • Ecklers Legacy Number: 64-49409
      • Macs Legacy Number: EBY-9503-A

      Description

      Ford Thunderbird Carburetor Secondary Vacuum Diaphragm - For, Holley 4000 4 Barrel Carburetor
      1955-1956 Ford Thunderbird Carburetor Secondary Vacuum Diaphragm, For Holley 4000 4 Barrel Carb

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Questions & Answers

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      Will It Fit My Thunderbird

      • Base - 57