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4.8 Carburetors

4.8 engines can make great power and deliver excellent performance if the combination of parts is working together. The biggest problem with most projects is over-carburetion. Low intake air velocity means low performance, soggy driving, and difficulty in tuning. Get your 4.8 running right with these hand-picked carbs we've used to great success on customer cars. 

Picking the right carburetor is challenging, and hugely important to the success of your build. Worse, There's a lot of bad information out there. If you need help:

Call the shop at 855-896-5263, or send us an email at service@scramspeed.com. We'd love to help!  

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  • Quick Fuel Technology – Carburetors & Fuel Systems QFT SL-600-VS Slayer Series Carburetor -600 CFM, high-performance automotive carburetor with a polished metallic finish and multiple adjustment screws.

    Quick Fuel Technology – Carburetors & Fuel Systems

    QFT SL-600-VS Slayer Series Carburetor -600 CFM

    Slayer Series street carburetors are designed with many of the same innovations and features that are built into all QFT™ race-winning carburetors, including changeable air bleeds and power valve channel restrictions. It's designed with a secondary...

    MSRP: $512.00
    $499.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 0-81570 4150 570CFM H/C STREET AVENGER LSX carburetor, aluminum construction for high performance engine upgrade.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 0-81570 4150 570CFM H/C STREET AVENGER LSX

    Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory...

    MSRP: $679.00
    $671.95
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  • Quick Fuel Technology BRAWLER Carburetor 570 CFM V.S. LSX, metallic silver with black branding labels, high-performance automotive fuel system component analyzed for street and racing use.

    Quick Fuel Technology – Carburetors & Fuel Systems

    Quick Fuel BR-67253 BRAWLER CARBURETOR 570 CFM V.S. LSX

    Brawler diecast carburetors are machined and assembled by craftsman right here in the USA. These carburetors work hard just as their name implies- just raw bare knuckled performance that you can rely on. Don't let the budget-friendly price fool you, the...

    MSRP: $556.00
    $549.95
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  • Quick Fuel Technology – Carburetors & Fuel Systems QFT BR-67255 BRAWLER CARBURETOR 650 CFM MS LSX, shiny metallic carburetor with multiple adjustment screws and black Brawler labels, with a red 'Street Strip' badge.

    Quick Fuel Technology – Carburetors & Fuel Systems

    QFT BR-67255 BRAWLER CARBURETOR 650 CFM MS LSX

    It was tough deciding which category to put this in. We chose street/strip, but its a great street carburetor too, and at an unbeatable price!  This carb seems to perform well no matter what engine you put under it. This is the carb in Freddy...

    MSRP: $608.00
    $599.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 0-4776S 4150 600CFM UNIV DP-POL LSX, automotive fuel injection carburetor in silver metallic finish with street strip branding.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 0-4776S 4150 600CFM UNIV DP-POL LSX

    Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many...

    MSRP: $725.00
    $699.95
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  • Holley Performance Parts – EFI, Intakes, & More QFT SQ-650 Carburetor 650CFM LSX, a silver aluminum high-performance carburetor with detailed components and mounting features.

    Holley Performance Parts – EFI, Intakes, & More

    QFT SQ-650 Carburetor 650CFM LSX

    Quick Fuel Technology's new Street-Q carburetor is intended to deliver legendary Q-Series performance to hardcore street enthusiasts at a reduced price. The major differences between the Street-Q and the race-bred Q-Series is the substitution of cast...

    MSRP: $783.00
    $773.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 0-67199BK 650 CFM TRACK WARRIOR CARBURETOR LSX, high-performance racing carburetor with metallic silver finish, multiple gold and silver fittings, and a powerful structure designed for LSX engines.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 0-67199BK 650 CFM TRACK WARRIOR CARBURETOR LSX

    Holley is proud to introduce the all new aluminum Track Warrior carburetors. They utilize the best features from Holley's Race Bred Classic 4150 HP carbs, and we have added billet metering blocks, billet base plate, and knurled (hand adjustable) curb...

    MSRP: $832.00
    $821.95
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  • Quick Fuel Technology – Carburetors & Fuel Systems QFT Q-650 Carburetor 650CFM DR LSX, automotive carburetor with polished metal finish and red accents, featuring multiple connection points and a large central opening.

    Quick Fuel Technology – Carburetors & Fuel Systems

    QFT Q-650 Carburetor 650CFM DR LSX

    Ideally suited for bracket racers and weekend warriors alike, Q-Series carburetors are purpose-built for the dragstrip. To combat the g's experienced during hard launches, Q-Series carbs are equipped with notched floats and secondary jet extensions. The...

    MSRP: $1,047.00
    $941.95
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