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Holley Performance 134-150 Metering Block

Carburetor Metering Block

Metering Block

Metering Block; Replacement; Primary; For Holley R80783/R80783-1 Vacuum Secondary Carbs and R4777-2/R-4777-3/R-4777-4 650 CFM Double Pumper Carbs; Dichromate Cast Zinc;

  • Finish: Dichromate
  • Material: Cast Zinc
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm -

  • Constructed of Cast Zinc For Increased Durability
  • Replacement Part

Pick up this Holley replacement primary metering block for Holley R80783, R80783-1 650 CFM Vacuum Secondary Carburetors and R4777-2, R-4777-3 and R-4777-4 650 CFM Double Pumper Carburetors. Designed to be an exact replacement for your existing carburetor, so no modifications necessary to install them correctly. Manufactured from quality die-cast zinc, a Holley replacement metering block will keep your carburetor running correctly

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for fits GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.