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4 Cylinder

The NOS Sportsman Fogger Systems offer superior atomization and tuning by injecting precisely measured amounts of fuel and nitrous into each individual port with our patented Fogger Nozzles. Power levels are adjustable by changing nitrous and fuel jets in each Fogger Nozzle.

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About Us

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.

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Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Read More...

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