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LSX Carburetor Swap

The simplicity, economy and power of a carbureted combination is tough to beat. Converting your LS with parts and know-how from Scram Speed, it's easy too! These are the parts we use in-house when we're building LS motors with carburetors, including recommendations for which carb is best for your build! 

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    This is the easy button for getting your electric fines wired up fast!

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    Scram Speed Dual Electric Fan Relay Wiring Harness - Thermal Switch Trigger.

    Simplify your Electric Fan installation. No PCM required!!This is our new Fan Control harness and module for an easy, great-looking installation of single or dual electric fans. The fans are triggered by a thermal switch. We have standard NPT as well as...

    $139.99
    $189.99
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  • Scram Speed LSX PCV Valve Cover FItting for .75 ID Grommet

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    Scram Speed LSX PCV Valve Cover FItting for .75 ID Grommet

    If you've got a serious LS, this little piece will make your life much easier! This item is also available in -6AN and -8AN sizes! These special fittings allow easy installation of a catch tank on GM LS racing engines that have a PCV (positive...

    $11.75
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    LS Thermal Fan Switch 200*

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    LS Thermal Fan Switch 200*

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    Finally! A thermal switch for LS that's the correct metric thread, at a reasonable price. These screw directly into the cylinder head at the factory temp sender location. NO ADAPTERS NEEDED! Most vehicles have one of these ports available. No more...

    (2)

    $24.99
    $28.99
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    LS Thermal Fan Switch 190*

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    LS Thermal Fan Switch 190*

    (1)

    Finally! A thermal switch for LS that's the correct metric thread, at a reasonable price. These screw directly into the cylinder head at the factory temp sender location. NO ADAPTERS NEEDED! Most vehicles have one of these ports available. No more...

    (1)

    $24.99
    $28.99
    Add to Cart The item has been added
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    LS Thermal Fan Switch 180*

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    LS Thermal Fan Switch 180*

    (1)

    Finally! A thermal switch for LS that's the correct metric thread to screw into the cylinder head, at a reasonable price. NO ADAPTERS NEEDED! No more sticking a temp bulb through the radiator. Typically, these units are used to activate a fan on an LS...

    (1)

    $24.99
    $28.99
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  • LS Swap Alternator Kit with exciter wire

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    LS Swap Alternator Kit with exciter wire

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    Simplify your swap!  Our alternator is smaller and lighter than the factory LS alternators, but will fit in all the LS alternator brackets. Chances are it's much better looking than the alternator that came with your engine (if you got one). It has...

    (5)

    $149.99
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  • LS Swap Alternator Exciter Pigtail

    Holley Performance Parts – EFI, Intakes, & More

    LS Swap Alternator Exciter Pigtail

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    This little pigtail is a lifesaver.   GM alternators require an exciter wire with a 12V switched source, otherwise they won't charge. We hear from a lot of swappers who have this problem, particularly when swapping to a carbureted system. This...

    (1)

    MSRP: $26.39
    $25.65
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  • LS Valley Cover Plate/Knock Sensor Delete - Black Powdercoat

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    LS Valley Cover Plate/Knock Sensor Delete - Black Powdercoat

    (1)

    This black powdercoated version of our our low-profile LS Valley Cover Plate is CNC machined from billet 6061-T6 aluminum. Powdercoated NOT painted. Our low profile design clears all stock and aftermarket intakes and allows removal of the...

    (1)

    $59.95
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