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
- Constructed of Cast Zinc For Increased Durability
- Replacement Part
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
About Holley Performance Products
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!
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Holley Metering Block 134-150: