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Holley HP Main Body Retro Fit Kits

By: Bill Tichenor07/05/2005 < Back to Blog Home
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Holley is proud to announce the availability of their HP main body retro fit kits, P/N 134-300S and P/N 134-300C. The Famous HP main body found in every NASCAR Nextel Cup Winner will update your Holley Double Pumper into a race ready 750 cfm HP style carburetor.

With simple hand tools P/N 134-300S (shiny finish) will retro fit Holley Double Pumper carbs 0-4777S, 0-4778S and 0-4779S and P/N 134-300C (dichromate finish) will retro fit Holley Double Pumper carbs 0-4777C, 0-4778C and 0-4779C.

Holley’s famous HP main body utilizes a contoured main body to reduce air turbulence into the venturi, screw-in changeable air bleeds, down-leg boosters, accelerator pump shooters and vent tubes all pre-calibrated at the factory for optimum performance and drivability. Detailed instructions and all metering, base plate, fuel bowl, and bowl screw gaskets are included along with main jets to properly calibrate carb for street, strip or racing action are included.

For more information contact Holley Tech Service, P.O. Box 10360, Bowling Green, KY 42102-7360. Telephone 270-781-9741. For nearest dealer: 1-800-HOLLEY-1. Or visit us on our web: www.holley.com.

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