Carburetors & Components
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- OER®Carburetor to Accelerator Lever CableCarburetor to Accelerator Lever Cable by OER®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$24.95 - $32.55
- OER®Holley Carburetor Heat ShieldHolley Carburetor Heat Shield by OER®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$47.74
- OER®Throttle RodThrottle Rod by OER®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help...Factory original quality for lessDirect fit replacement$14.10 - $22.78
- QRP®Accelerator Pump RodAccelerator Pump Rod by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation...Made from first-rate materialsDesigned to comply with high-quality standards$18.36
- QRP®Accelerator Return SpringAccelerator Return Spring by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$13.02 - $15.31
- QRP®Carburetor Accelerator Cable BracketCarburetor Accelerator Cable Bracket by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Made from first-rate materialsDesigned to comply with high-quality standards$57.74 - $64.31
- QRP®Carburetor Base AssemblyCarburetor Base Assembly by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$144.39 - $236.28
- QRP®Carburetor Choke Pull Off ActuatorCarburetor Choke Pull Off Actuator by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Made from first-rate materialsDesigned to comply with high-quality standards$48.55 - $52.50
- QRP®Carburetor Choke TubeCarburetor Choke Tube by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation...Made from first-rate materialsDesigned to comply with high-quality standards$15.31 - $35.42
- QRP®Carburetor Fuel Filter StoneCarburetor Fuel Filter Stone by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$8.42
- QRP®Carburetor Fuel Filter Stone GasketCarburetor Fuel Filter Stone Gasket by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Made from first-rate materialsDesigned to comply with high-quality standards$5.04
- QRP®Carburetor Idle Stop SolenoidCarburetor Idle Stop Solenoid by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$60.37
- QRP®Carburetor LinkageCarburetor Linkage by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation...Made from first-rate materialsDesigned to comply with high-quality standards$19.02 - $91.88
- QRP®Carburetor Needle and Seat GasketCarburetor Needle and Seat Gasket by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$5.04
- QRP®Carburetor Rebuild KitCarburetor Rebuild Kit by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$47.25 - $48.55
- QRP®Carburetor SealCarburetor Seal by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and...Made from first-rate materialsDesigned to comply with high-quality standards$28.87 - $35.42
- QRP®Carburetor SpringCarburetor Spring by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and...Made from first-rate materialsDesigned to comply with high-quality standards$13.02 - $20.33
- QRP®Carburetor StudCarburetor Stud by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and...Made from first-rate materialsDesigned to comply with high-quality standards$5.04 - $22.96
- QRP®Carburetor Vacuum FittingCarburetor Vacuum Fitting by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$48.55
- QRP®Carburetor Venturi Cluster GasketCarburetor Venturi Cluster Gasket by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$6.12
- QRP®Center Carburetor Choke Shaft BracketCenter Carburetor Choke Shaft Bracket by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Made from first-rate materialsDesigned to comply with high-quality standards$12.25
- QRP®Choke KitChoke Kit by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and help...Made from first-rate materialsDesigned to comply with high-quality standards$56.44 - $64.31
- QRP®Choke Pull OffChoke Pull Off by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and...Made from first-rate materialsDesigned to comply with high-quality standards$18.36
- QRP®Choke Stat Coil Arms and ClipsChoke Stat Coil Arms and Clips by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$15.31 - $72.19
- QRP®Choke TubeChoke Tube by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and...Made from first-rate materialsDesigned to comply with high-quality standards$20.99 - $89.25
- QRP®Eccentric Fuel Pump Cam WasherEccentric Fuel Pump Cam Washer by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Made from first-rate materialsDesigned to comply with high-quality standards$15.31
- QRP®Fuel Filter Carburetor Mounting Glass BowlFuel Filter Carburetor Mounting Glass Bowl by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Made from first-rate materialsDesigned to comply with high-quality standards$51.18 - $52.50
- QRP®Fuel Inlet FittingFuel Inlet Fitting by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation...Made from first-rate materialsDesigned to comply with high-quality standards$22.30
- QRP®Fuel Inlet GasketFuel Inlet Gasket by QRP®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation and...Made from first-rate materialsDesigned to comply with high-quality standards$4.58
- Radium®IACV GasketIACV Gasket by Radium®. Want to improve fuel delivery to squeeze extra power out of your engine? Choose from top-quality Radium performance fuel system parts. Designed using the latest computer simulation and modeling techniques, they...Top-grade fuel system upgrade that will take your driving to the next levelDesigned to help you maximize your vehicle’s fuel system efficiency$5.65
For combustion to take place in an engine, atomized fuel must mix with air in the optimal ratio for operating conditions and demand. On just about all road going vehicles produced today, computer-controlled fuel injectors spray fuel into the intake air stream, but for most of automotive history carburetors blended fuel and air for combustion. Fuel injection began supplanting carburetors in the 1970s so cars and trucks could meet stricter emissions standards.
The central part of a carburetor is the “barrel” formed by the air horn at the top, the venturi in the center, and a throttle plate at the base. There can be one, two, or four barrels. The barrel is adjacent to a fuel reservoir called the float bowl. A carburetor functions because of the pressure differential caused by atmospheric pressure and engine vacuum, and another pressure differential created by the taper in the venturi. The pressure differential draws air through the carburetor. As air moves through the venturi its velocity increases and the pressure drops, which draws fuel from the float bowl through an orifice and into the airstream, where it atomizes.
The throttle plate is connected to the accelerator pedal via cable or mechanical linkage. When the pedal is depressed, the throttle plate begins to open, additional passages are exposed and more fuel is added for the increased airflow. As the plate opens further, fuel begins to flow from a nozzle at the center of the venturi. Some vehicles also have a small booster venturi within the primary venturi. A richer mixture is needed at wide open throttle, and this is provided either by a spring loaded power valve or with metering rods in the main jets. The accelerator pump provides a quick shot of fuel when the throttle is opened rapidly. A choke plate restricts airflow when the engine is cold, to provide a richer air/fuel mixture.
The choke can be controlled manually, electrically, or by engine heat. An engine-mounted mechanical pump supplies fuel through an inlet valve to the float bowl. The float rises with the incoming fuel, and when a predetermined level is reached, a valve seats in the inlet, shutting off fuel flow. Four barrel carburetors generally operate only on the front two barrels for idle, cruise and low speed operation. The other two barrels, commonly known as the secondaries, open either mechanically or via vacuum diaphragm when additional air and fuel, and more power is needed. The carburetor is mounted on an intake manifold, where the air/fuel mixture vaporizes and is distributed to each cylinder. Whatever your carburetor repair needs, we can help, with new and remanufactured carburetors for select applications as well as a large selection of rebuild kits and replacement parts like accelerator pumps, float assemblies, choke pull-offs and more.
If you’ve modified your engine and want to upgrade your fuel system, there’s no need to deal with the expense and complication of switching to EFI – we can supply you with larger or more performance oriented carburetors. But if all you want to do is make the carb you have and your engine perform at their best, our digital shelves are packed with the tuning parts to make it happen. We have metering blocks, power valves, jets, metering rods and hangers, accelerator pumps, cams, and nozzles, and vacuum secondary diaphragms and springs, available as individual parts and in complete tuning kits, for all popular performance carburetors. With these parts and some time spent tuning, you can get optimal acceleration and a smooth transition between carburetor circuits as the throttle is opened, and obtain the right mixture to deliver maximum horsepower at wide open throttle.