Holley 4160 rebuild. What's this plastic piece? | GBodyForum - 1978-1988 General Motors A/G-Body Community
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Amazon.com: Carburetors 5 Float Bowl Gaskets and 5 Metering Block Gasket for Holley QFT AED 390-1050 Double Pumper 2 Circuit Carburetors: Automotive
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