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Holley 4150 Carburetors

The very best value in light competition carburetors, the famous street HP main body with street/strip metering can only be the Holley Street HP Series carburetors. High-strength sealing surfaces are precision machined to tight tolerances for unsurpassed sealing and contoured venturii allow for maximum airflow and reduced turbulence. The 650 CFM four barrel square flange is available with mechanical secondaries, and the 750 CFM four barrel square flange is available with vacuum secondaries.

Need help in determining CFM sizing for typical street or strip engines with ported heads or aftermarket headers, cam or aftermarket intakes? no problem just give us a call and we'll assist you no matter what setup you are running!