Demon Carburetor has been designing and manufacturing high performance carburetors for over 40 years. Demon is dedicated to pushing the limits of fuel delivery technology to enhance the power, speed, and overall performance of engines ranging from street to full race applications.
Demon Carburetor is a leading manufacturer of high performance carburetors for street, strip and race applications. With over 40 years of racing heritage, Demon has continuously innovated and engineered carburetors that deliver maximum power and performance.
The brand offers carburetors for a wide range of vehicles, including the 750 and 650 carburetors for motorcycles. Demon’s carburetors are meticulously designed and manufactured to strict tolerances, ensuring smooth and precise fuel metering. The carburetors feature adjustable components that allow racers and enthusiasts to fine-tune them for their specific setup and needs.
Key features of Demon carburetors include strong and lightweight billet metering blocks, high flow venturis, adjustable air bleeds, high performance emulsion systems, hand polished throttle shafts and more. With the 750 and 650 carburetors, Demon brings championship-winning technology to street machines, allowing them to perform like professional racing machines.
Known for their durability, consistency and reliability even under extreme conditions, Demon carburetors enable users to get maximum horsepower from their engines. With a commitment to innovation and a focus on high performance, Demon carburetors give racers and enthusiasts the winning edge.
The Holley 1904BK Street Demon Carburetor is designed for exceptional street performance with a sleek black finish. Delivering 750 CFM of airflow, it features the innovative “Triple Stack Boost Venturi” for unmatched throttle response and fuel atomization. The lightweight aluminum construction combines durability with style, making it perfect for muscle cars, hot rods, and performance vehicles. Easy to install and tune, the 1904BK offers reliable performance for daily drivers and weekend warriors alike.
The Holley 1904 Street Demon Carburetor is a high-performance carburetor with a classic ball-burnished aluminum finish. Designed to deliver 750 CFM of airflow, it is ideal for high-powered street machines. The advanced “Triple Stack Boost Venturi” ensures precise fuel atomization and improved throttle response. Lightweight, durable, and easy to tune, the Holley 1904 is perfect for enthusiasts seeking optimal performance and efficiency.
The Holley 1903 Street Demon Carburetor offers 625 CFM of airflow, making it the perfect choice for small to mid-sized engines. Its ball-burnished aluminum finish is not only stylish but also provides durability and heat resistance. Featuring the advanced “Triple Stack Boost Venturi,” it delivers superior fuel atomization and smooth throttle response. The 1903 is easy to install, tune, and maintain, making it a reliable upgrade for your muscle car or street rod.
The Holley 1901 Street Demon Carburetor is a lightweight carburetor offering 625 CFM of airflow, ideal for small to medium displacement engines. Its polymer fuel bowl design prevents heat soak and ensures consistent fuel delivery. With the innovative “Triple Stack Boost Venturi,” this carburetor provides excellent throttle response and fuel atomization. Easy to tune and built for durability, the 1901 is a great option for improving the performance of your street or muscle car.
The Holley 1900 Street Demon Carburetor combines modern performance with a bold black finish. Delivering 625 CFM of airflow, it is optimized for small to mid-sized engines. The “Triple Stack Boost Venturi” ensures improved throttle response and fuel atomization, while the lightweight aluminum construction offers durability and style. Perfect for enthusiasts seeking a blend of aesthetics, performance, and reliability, the 1900 is easy to install and tune for street performance.
The Holley 786004B 14″ Round Air Cleaner Assembly is designed to enhance engine performance while adding a sleek appearance under the hood. Finished in a durable black powder coat, this air cleaner assembly features a low-profile design that fits most carburetor and throttle body applications. It includes a high-flow washable filter element for improved airflow and filtration. Ideal for performance enthusiasts, the 786004B combines functionality, durability, and style for muscle cars, hot rods, and street machines.
With decades of experience honing their carburetor technology on the track, Demon engineers their street carburetors with the same championship-winning DNA. This racing pedigree means Demon carburetors are built for maximum power.
Meticulously designed and manufactured to strict tolerances, Demon carburetors feature components like hand-polished shafts to ensure smooth and precise fuel metering and throttle operation.
Adjustable features like air bleeds, emulsion systems and jets on Demon carburetors enable fine-tuning for specific setups and maximum performance. This customization delivers peak power.
Known for their consistency, Demon carburetors operate flawlessly even under extreme conditions. Their robust build quality and reliable performance give racers and enthusiasts confidence.
Advanced venturi designs improve air/fuel atomization in Demon carburetors, enabling better mixing and more complete combustion for higher engine output.
Demon carburetors feature strong yet lightweight billet aluminum metering blocks that allow precise fuel metering while reducing overall weight. Less weight equals more power.
As an amateur racer running a 1970 Chevy Nova, I decided to swap the old carb for a Demon 750 to get some more horses under the hood. I couldn't be happier with the results! Installation was a breeze and the carb fired up easily with no tuning needed. My Nova flat out screamed off the line after the swap. I could feel the power gains immediately with the Demon. My ET at the track improved by over 0.3 seconds thanks to the increase in airflow and atomization from the superior venturis. I've ran the Demon 750 hard for a full season now with no issues whatsoever. The carb has stayed in tune and performed flawlessly every pass down the track. For racers looking for reliable, set-it-and-forget-it performance gains, you can't beat these Demons!
I drive a 1966 Mustang Fastback for weekend cruises and local car shows. With the old carb, my Mustang always hesitated a bit on acceleration. So I picked up a Demon 650 to improve the drivability and response. The Demon made my 289ci V8 come alive! No more flat spots or stumbling - the engine wakes up instantly when I hit the gas. The 650 idles smoothly thanks to the hand-polished throttle shafts. And adjusting the mixture screws for my altitude was a breeze. My Mustang feels totally renewed with the Demon. I can really feel the added power, even just cruising around town. This carb was an awesome and easy upgrade!
As a professional mechanic, I've installed Demon carburetors on dozens of customers' street rods and muscle cars. These carbs are always precisely machined with excellent quality control. The billet metering blocks and components fit together perfectly right out of the box. I never have issues getting a Demon dialed in and optimized for any engine combo. The adjustability means I can fine tune them to extract every bit of power. Even with heavy use, the Demons hold up great thanks to the robust designs. My customers are always thrilled with the improved performance after a Demon swap. For tunable power gains and bulletproof reliability, I won't use or recommend any other performance carburetor.
I don't know much about cars, I just want my old '72 Dodge Challenger to run smoothly! It was hesitating badly when trying to accelerate. My mechanic friend recommended swapping the old carb for a new Demon 650. I have to say, this carb totally fixed my issues! The engine feels much more responsive now. No more stumbling or flat spots. The Challenger also gets better gas mileage after the swap. I really appreciate how the Demon is made in the USA and seems very heavy duty. My only complaint is the chrome is a bit shiny for my taste, ha! But otherwise this carb was an affordable and easy way to make the Challenger run great again. Thumbs up from this casual driver!
I participate in local car shows with my immaculately restored 1969 Camaro. These events are won and lost on the details, so I needed a show-quality carburetor to match. The Demon 650 double pumper looks gorgeous on the Camaro with its bright finish and classic Demon logo. The carb gets constant compliments and questions from onlookers at the shows. And it's not just eye candy - the performance gains are real! My Camaro accelerates quicker off idle and the throttle response is enormously improved. The quad-venturi design gulps air for optimal mid-range punch. The Camaro just feels tighter and meaner with the 650 Demon. Plus it starts right up even after sitting. For beautiful looks and performance that wins shows, Demon carburetors can't be beat!
Demon carburetors are known for their 40+ years of racing heritage and continuous innovation. Meticulously engineered to strict tolerances, they deliver smooth and precise fuel metering for maximum power.
Demon makes high performance carburetors for street, strip and race applications. Their carburetors fit a wide range of vehicles from muscle cars to hot rods to motorcycles.
The adjustable emulsion system precisely controls the air/fuel mixture. Racers and enthusiasts can tune the emulsion system to optimize carburetor performance for their specific engine setup.
Demon uses lightweight and durable billet aluminum for components like the metering blocks. The hand-polished throttle shafts are stainless steel for smooth operation.
The specialized venturi shape improves air/fuel atomization for increased power. More complete mixing means higher combustion efficiency.
The throttle shafts are hand-polished to a mirror finish which reduces friction and mechanical slop. This allows instant throttle response.
Yes, Demon carburetors are EPA compliant when used with the correct components for emissions control.
Thanks to their robust designs, Demon carburetors rarely need adjustment once optimized for a particular engine.
Demon carburetors are compatible with gasoline, ethanol blends, racing fuels and more. Fuel type may affect necessary jetting changes.
Yes, all Demon carburetors are backed by a one-year manufacturer's warranty against defects.
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