Jay Leno Interviews Holley About NOS

Consumers have been asking for a throttle body injection that looks like a 4150 Holley carburetor and Holley's Sniper EFI division has responded with the new Sniper Stealth 4150. Modeled after an Ultra XP carburetor, the new Stealth 4150 features four 100 lb/hr injectors, dual feed configuration and supports up to 650 hp naturally aspirated! Click here to learn more!
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It doesn't just spare you the hassle of taking bottles somewhere every time you need them refilled – it can eventually save you money, too.
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Holley and NOS have partnered with Duck X Productions for Lights Out 11 this February. Holley will be a title sponsor while NOS has sponsored the new "DXP Street" class which features the 02001NOS Cheater plate as the official nitrous plate! Taking place February 13-16, 2020, this is guaranteed to be one of the wildest drag radial races of the year and an excellent kick-off to the roaring 20's!
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One of the first major radial races of the year took place last weekend at Bradenton Motorsports Park, the U.S. Street Nationals provided epic side-by-side races as well as impressive record setting runs. With new powerplants, chassis' and racecars, the weekend was filled with excitement from all classes!
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