Best Southwest Speed Carburetor Accelerator Pumps in 2026

Brand New Holley 650 CFM Classic Double Pumper Carburetor, Shiny Aluminum, Electric Choke, Model 4150, Mechanical Secondaries, Compatible with Gasoline (Part #0-4777SAE)

The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall & low rear end gears. It features dual accelerator pumps for additional fuel under initial acceleration, mechanical secondaries for great performance, dual feed fuel inlets for constant high volume fuel delivery & electric choke for easy control of engine warm up.

Features: Shiny finish | Optimized street/strip calibration that works out-of-the-box | Electric choke for precise cold start control | 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

Brand New Performance Carburetor,Shiny Finish with Aluminum Construction, 500 CFM, 2 Barrel Carburetor, with Manual Choke (Part #0-4412SA)

Features: Aluminum construction and vibratory polished for good looks | Intended as stock performance replacement for 2-bbl street applications. Also a mandated carb for some oval track racing sanctioning bodies | Manual (Cable driven, hand operated) choke for precise cold start control | 50cc accelerator pump for additional fuel under initial acceleration

Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required | Power valve blow-out protection | 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Brand New Holley 750 CFM Classic Double Pumper Carburetor, Shiny, Manual Choke, Model 4150, Mechanical Secondaries, Compatible with Gasoline (Part #0-4779S)

The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall & low rear end gears. It features dual accelerator pumps for additional fuel under initial acceleration, mechanical secondaries for great performance, dual feed fuel inlets for constant high volume fuel delivery & manual choke for easy control of engine warm up.

Features: Optimized street/strip calibration that works out-of-the-box | Manual choke (Cable driven, hand operated) for precise cold start control | 4 corner idle allows you to precisely control your idle system | Dual accelerator pumps for additional fuel under initial acceleration | Dual feed fuel inlets for constant high volume fuel delivery | For lightweight vehicles w/ manual trans or automatics with high stall & low gearing | 100% wet-flow tested by Holley

Brand New Holley 650 CFM Street HP Carburetor, Shiny Aluminum, No Choke, Model 4150, Mechanical Secondaries, Compatible with Gasoline (Part #0-82651SA)

The Street HP features the contoured main body from the 4150 HP & has a tumble polished shiny finish & screw in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor & is calibrated for a hot street/strip engine setup for outstanding throttle response & drivability. A street HP base plate is used so there are plenty of vacuum ports for power brakes, PCV, etc.

Features: Optimized street/strip calibration that works out-of-the-box | Contoured venturii inlet offers balanced airflow for increased HP | Screw in air bleeds for precision tuning capabilities | 4 corner idle for precise idle 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 | Compatible with GM, Chrys. & Ford A/T kickdown linkage

Brand New Holley 650 CFM Classic Double Pumper Carburetor, Shiny, Manual Choke, Model 4150, Mechanical Secondaries, Compatible with Gasoline (Part #0-4777S)

The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall & low rear end gears. It features dual accelerator pumps for additional fuel under initial acceleration, mechanical secondaries for great performance, dual feed fuel inlets for constant high volume fuel delivery & manual choke for easy control of engine warm up.

Features: Shiny finish | Optimized street/strip calibration that works out-of-the-box | Manual choke (Cable driven, hand operated) for precise cold start control | 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

Brand New Holley Aluminum Marine Carburetor, 500 CFM, Hard Core Grey Finish, Electric Choke, 2300, Compatible with Gasoline (Part #0-80402-2).

All Holley Marine Carburetors are designed to meet Coast Guard specifications. A marine carburetors fuel metering system is calibrated to compensate for unique engine loads found on boats. The J-style vent tubes direct fuel/fumes back into the carburetor for safe operation while on rough waters.

The aluminum Holley 0-80402-2 Marine carburetor is designed with a universal calibration good for small cubic inch marine engines where a 2300 model 2BBL with electric choke is required.

Brand New Holley 950 CFM Aluminum Street HP Carburetor, Polished Finish, Mechanical Secondaries, 1.563" Venturii, Compatible with 4150 Model (Holley Part #0-82951SA)

Features an aІuminum contoured main body design taken from the race winning 4150 HP, a tumble polished shiny finish & screw in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor & is calibrated for a hot street/strip engine setup for outstanding throttle response, drivability & max performance.

Features: AІuminum construction for weight savings | Optimized street/strip calibration | Contoured venturii inlet offers balanced airflow for increased HP | Screw in air bleeds for precision tuning capabilities | 4 corner idle for precise idle control | Mechanical secondaries | Compatible with GМ, Chrуsler & F𐐬rd A/T kickdown linkage. Additional parts may be required

Brand New Holley 1050 CFM Classic Dominator Carburetor, Gold Dichromate, 2 Circuit, Compatible with Gasoline (Part #0-8082-1).

The original Dominator took carburetion to another level in 1969 when it was developed for NASCAR racing. Holley Dominator carburetors are designed specifically for making top end horsepower and torque in high end racing engines and are the perfect carburetor for the budget minded racer.

Classic Dominator carburetors feature an aluminum main body with a contoured venturi inlet for balanced airflow and increased horsepower, screw in air bleeds for easy fine tuning, high flow metering system with race calibrations and annular boosters. Other features include Dominator fuel bowls to allow plumbing from either side, high flow needle and seats, 50cc accelerator pumps, and 4 corner idle.

Brand New Holley 850 CFM Aluminum Street HP Carburetor, Polished Finish, Mechanical Secondaries, 1.563" Venturii, Compatible with 4150 Model (Holley Part #0-82851SA)

Features an aІuminum contoured main body design taken from the race winning 4150 HP, a tumble polished shiny finish & screw in air bleeds for precision tuning capabilities. The metering system includes a timed spark port for a vacuum advance distributor & is calibrated for a hot street/strip engine setup for outstanding throttle response, drivability & max performance.

Features: AІuminum construction for weight savings | Optimized street/strip calibration | Contoured venturii inlet offers balanced airflow for increased HP | Screw in air bleeds for precision tuning capabilities | 4 corner idle for precise idle control | Mechanical secondaries | Dual accelerator pumps for additional fuel under initial acceleration | Dual feed fuel inlets for constant high volume fuel delivery