Holley 4150 HP Series Carburetors
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Race-ready right out of the box!
For amazing response from an affordable production carburetor, your search stops here. Trust Holley to deliver hard-core carbs for serious high performance with this series ranging from 390
to 1000 cfm.
Shared SpecificationsNotched floats and jet extensions for continuous fuel deliveryCenter-hung floats offer plumbing on both sidesHigh-flow metering blocksNonstick, reusable metering block gaskets for easy tuningSpun-in boosters won't fall into engineFour corner idle systemLoctite-fastened buttonhead throttle plate screws for less air restrictionViton-tipped needle and seats for precise fuel deliveryStainless steel throttle plates for corrosion protection
High-strength sealing surfacesContoured Venturi inlet provides more balanced airflow, which increases powerPower valve blowout protection100% wet-flow tested and calibratedChangeable, screw-in air bleeds offer expanded tuning optionsDichromate finish
Spec VariationsOffered in 390, 600, 650, 750, 830, 950, or 1000 cfmCalibrated for gasoline or methanolOnly 510-0-80529-1 has quick-change vacuum secondaries, the rest have progressive mechanicalMost primary and secondary accelerator pumps are either both 30cc or both 50cc except for part numbers 510-0-80513-1 and 510-0-80514-1, which are a 30cc primary/50cc secondary combo.Spun-in boosters are straight leg, down leg, double-step down leg, or annular.Part numbers 510-0-80507-1, 510-0-80541-1, and 510-0-80509-1 are NASCAR-approved.
 These kits, put together by JEGS Professionals, include Carburetor, JEGS Billet Fuel Line With Filter and Fuel Pressure Gauge
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