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5.3 / 5.7 Carburetors

The 5.3 and 5.7 engines are the most common options in the LS-swap world. We've gathered this list of carburetors for 5.3 and 5.7 based on our experience tuning these cars on the dyno and racing them on the track. These hand-picked carbs will deliver for your swap project. Remember: Overcarburetion is the biggest problem folks face getting their project in shape.

Choosing the right carb is important! If you need a specific recommendation, or if you're not sure what's right for you:

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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  • QFT BR-67256 BRAWLER CARBURETOR 670 CFM V.S LSX

    Quick Fuel

    QFT BR-67256 BRAWLER CARBURETOR 670 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: $622.00
    $558.95
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  • Holley 0-81770 4150 770CFM H/C STREET AVENGER LSX

    Holley

    Holley 0-81770 4150 770CFM 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
    $610.95
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  • Holley 0-81670 4150 670CFM H/C STREET AVENGER LSX

    Holley

    Holley 0-81670 4150 670CFM 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
    $610.95
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  • QFT SL-750-VS Slayer Series Carburetor 750CFM LSX

    Quick Fuel

    QFT SL-750-VS Slayer Series Carburetor 750CFM LSX

    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: $553.00
    $496.95
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  • QFT BR-67255 BRAWLER CARBURETOR 650 CFM MS LSX

    Quick Fuel

    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
    $546.95
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  • QFT SQ-650 Carburetor 650CFM LSX

    Holley

    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
    $703.95
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  • Holley 0-4777S MODEL 4150 650 CFM CARBURETOR LSX

    Holley

    Holley 0-4777S MODEL 4150 650 CFM CARBURETOR 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
    $651.95
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  • QFT BR-67212 BRAWLER 650 CFM MECH SEC STREET LSX

    Quick Fuel

    QFT BR-67212 BRAWLER 650 CFM MECH SEC STREET 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: $684.00
    $614.95
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  • Holley 0-67199BK 650 CFM TRACK WARRIOR CARBURETOR LSX

    Holley

    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
    $747.95
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  • QFT Q-650 Carburetor 650CFM DR LSX

    Quick Fuel

    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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  • QFT BR-67199 Brawler 650CFM Race Carburetor LSX

    Quick Fuel

    QFT BR-67199 Brawler 650CFM Race Carburetor LSX

    Brawler Race 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. Brawler performance development started with a high...

    MSRP: $814.00
    $731.95
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  • QFT Q-750 Carburetor 750CFM DR LSX

    Quick Fuel

    QFT Q-750 Carburetor 750CFM 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: $1,112.00
    $999.95
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