650 CFM Double Pumper Carburetor.

Features:

Dichromate Finish

Manual Choke

Power Valve Blowout Protection

Dual Metering Blocks

Dual Feed Fuel Inlets

Model 4150 w/ Center Hung Floats

100% Wet-flow Tested and Calibrated

Mechanical Secondaries(Dual Accelerator Pumps)

NOTE: Due to the natural color variations of the dichromate plating process, the plating color may vary from casting to casting (within a carburetor) and from carburetor to carburetor. This is considered normal and is not a cosmetic defect. If you desire a carburetor with no color variation, please shop our black and shiny finish carburetors.

Optimized street/strip calibration that works out-of-the-box

Manual choke (Cable driven, hand operated) for precise cold start control

Mechanical secondaries for awesome tire turning performance

Dual accelerator pumps for additional fuel under initial acceleration

Dual feed fuel inlets for constant high volume fuel delivery

Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing

100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Product Description:

Carburetor

Double Pumper

Model 4150

4-Barrel

650 CFM

Square Bore

Manual Choke

Mechanical Secondary

Dual Inlet

Aluminum

Gold Chromate

Sold Individually

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.