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PitStopUSA.com - Air & Fuel Delivery

You can create incredible horsepower and torque simply by getting the right mix of air and fuel into your engine. Pit Stop USA carries the racing equipment that you need to make the power to get you to victory lane.

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Air Cleaners, Filters, Intakes & Components

You can create incredible horsepower and torque simply by getting the right mix of air and fuel into your engine. Pit Stop USA carries a wide variety of air cleaners to dress up your engine compartment and improve air flow to your engine.

Carburetors & Components

At Pit Stop USA, we understand that when it comes to high-performance engines, having the right carburetor can make all the difference. Thats why we offer a huge selection of carburetors from the...More Details »

Fuel Cells, Tanks & Components

Race teams are constantly in pursuit of safety and performance at the cutting edge of material design and product development when selecting fuel cells. PitStopUSA.com has a great selection of...More Details »

Fuel Pumps, Regulators & Components

Pit Stop USA offers a wide range of fuel pumps for all types of vehicles. Whether you need an electric fuel pump or a mechanical fuel pump, we have got you covered. Our high-performance fuel pumps...More Details »

Intake Manifolds & Components

Pit Stop USA offers a wide range of intake manifolds to fit different applications, all available at low everyday prices. Whether you're building a race car or a daily driver, the right intake...More Details »

Nitrous Oxide Systems & Components

Pit Stop USA offers a wide range of Nitrous Oxide Systems and components for high-performance vehicles and race cars. Whether you're looking for wet or dry nitrous kits, we have got you covered...More Details »

Air & Fuel Cooling Systems & Components

Water Methanol Injection is one of the best and least expensive ways to increase the power of your gas or diesel engine. Not only do you make more power in a gasoline engine, you are able to do so...More Details »

Fuel Injection Systems & Components - Electronic

Leading manufacturers have been developing advanced electronic fuel injection technology for more than a decade and these systems have become the first choice of racers and muscle car, restoration...More Details »

Fuel Injection Systems & Components - Mechanical

Sprint car mechanical fuel injection systems using the latest in port design are the perfect choice for 410 sprint cars, 360 sprint cars and 305 sprint cars to provide race winning results. Pit...More Details »

Fuel Shut-Off Valve

These lever style shut off valves allow for easy operation in all types of plumbing applications. Choose from valves w/ brass or aluminum construction.

Oxygen Sensors, Controllers & Components

The oxygen sensor, also known as the O2 sensor, is a crucial component in your vehicle's exhaust system that measures the amount of oxygen present in your exhaust gases. It helps the engine's...More Details »

Performance Packages

Pit Stop USA has Performance Package kits for some of today’s hottest vehicle applications at low everyday prices.

Superchargers, Turbochargers & Components

If you are looking for a cost-effective way to boost the performance of your speed machine, a supercharger or turbocharger is the way to go. Pit Stop USA offers a wide range of performance parts,...More Details »

Throttle Cables, Linkages, Brackets & Components

Whether you have a race car, a smooth and reliable throttle linkage is key to safe, reliable and consistent performance. Pit Stop USA has a great selection of Throttle Linkage Components including...More Details »

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Pit Stop USA is The Online Motorsports Superstore!

We feature the top names in racing fuel systems including Holley, Barry Grant, Canton Racing Products, Demon Carburetors, Fuel Safe, K&N Filters, Moroso and more! We offer the top racing carburetors including Holley Carburetors, Holley Keith Dorton Signature Series Carburetors, Demon Carburetors, Race Demon Oval Track Carburetors, Demon Traction Master Carburetors, Blake Carburetors, Braswell Carburetors, KB Racing Carburetors, ProForm Carburetors, Quick Fuel Technology Carburetors, Willys Carburetors. We carry AED Carburetor Rebuild Kits, Holley Carburetor Rebuild Kits and Barry Grant Carb Kits. We have carburetor jets, power valves, carburetor fuel lines, fuel logs, throttle stops, in-line fuel filters and more. We stock aluminum carburetor spacers, phenolic carburetor spacers, plastic carburetor spacers, adjustable base plate carburetor spacers, wood carburetor spacers, plastic carburetor spacers, hi-flow carburetor spacers, open carburetor spacers, angle carburetor spacers, tapered carburetor spacers and carburetor adapters like Canton Carburetor Spacers, Allstar Performance Carburetor Spacers, HVH Street Sweeper Carburetor Spacers, HVH Super Sucker Carburetor Spacers, Moroso Carburetor Spacers, Mr. Gasket Carburetor Spacers and Wilson Manifolds Carb Spacers. Racing fuel pumps, billet aluminum fuel pumps, belt drive fuel pumps, super speedway fuel pumps like Allstar Performance Fuel Pumps, Barry Grant Fuel Pumps, Carter Fuel Pumps, Edelbrock Fuel Pumps, Holley Fuel Pumps, KSE Direct Drive Fuel Pumps, KSE Tandem Pumps and Pro/Cam Fuel Pumps. We offer fuel pump block-off plates, fuel pressure regulators, fuel pump pushrods and more. Top it off with a Moroso Racing Aluminum Air Cleaner or K&N Air Cleaner Assembly, K&N Air Filters. We offer racing fuel cells like Fuel Safe Fuel Cells, ATL Fuel Cells, Jaz Fuel Cells and RJS Fuel Cells.