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Holley 134-346

Replacement Carburetor Main Body

510-134-346

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Holley 134-346 Replacement Carburetor Main Body $119.95
Replacement Carburetor Main Body
  • Fits Holley 510-0-80541-1
  • Factory Assembled
  • Replacement Gaskets & Seals Included
  • Gold Dichromate Finish



  • 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 Specifications

  • Notched floats and jet extensions for continuous fuel delivery
  • Center-hung floats offer plumbing on both sides
  • High-flow metering blocks
  • Nonstick, reusable metering block gaskets for easy tuning
  • Spun-in boosters won't fall into engine
  • Four corner idle system
  • Loctite-fastened buttonhead throttle plate screws for less air restriction
  • Viton-tipped needle and seats for precise fuel delivery
  • Stainless steel throttle plates for corrosion protection
  • High-strength sealing surfaces
  • Contoured Venturii inlet provides more balanced airflow, which increases power
  • Power valve blowout protection
  • 100% wet-flow tested and calibrated
  • Changeable, screw-in air bleeds offer expanded tuning options
  • Dichromate finish

    Spec Variations
  • Offered in 390, 600, 650, 750, 830, 950, or 1000 cfm
  • Calibrated for gasoline or methanol
  • Only 510-O-80529-1 has quick-change vacuum secondaries, the rest have progressive mechanical
  • Most primary and secondary accelerator pumps are either both 30cc or both 50cc except for part numbers 510-O-80513-1 and 510-O-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-O-80507-1, 510-O-80541-1, and 510-O-80509-1 are NASCAR-approved.

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