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OBS Chevy & GMC Truck Swap Parts for LS and LT Engines

Essential Swap Parts for OBS Chevy & GMC Pickup/Suburbans

Get your 1988-98 OBS Chevy or GMC pickup/Suburban ready for an LS or LT engine swap with our comprehensive range of swap parts. Whether you need a GM LS Swap Oil Pan for additional front clearance, a Holley Sniper 92mm throttle body for better airflow, or a fan relay kit for optimized cooling, we provide the components necessary for a seamless and efficient swap.

Additionally, our A/C bracket assemblies for Vortec truck spacing and various coil sub-harnesses ensure that your engine runs smoothly, whether you’re upgrading to Gen 3, 4, or 5 LS platforms.

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    GM LS swap oil pan kit - black - additional front clearance

    SKU: PAN-LS-BK
    PAN-LS-BK
    $264.99
    (2)
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    GM LT swap oil pan kit - black - additional front clearance

    SKU: PAN-LT-BK
    PAN-LT-BK
    $309.99
    (1)
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    Fan relay kit

    SKU: KIT-1010
    KIT-1010
    $49.00
    (17)
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    LS R4 A/C Bracket Assembly Vortec Truck Spacing

    SKU: DD-LS-R4-AC-TR
    DD-LS-R4-AC-TR
    $274.99
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    LS Sanden 508 A/C Bracket Assembly Vortec Truck Spacing

    SKU: DD-LS-SANDEN-AC-TR
    DD-LS-SANDEN-AC-TR
    $274.99
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    Gen 4 GM LS3 90mm throttle body (DBW)

    SKU: ACC-1035
    ACC-1035
    $329.99
    (1)
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    Holley Sniper 92mm throttle body - black

    SKU: 860004-1
    ACC-1057
    $237.95 $204.99
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    Gen 3 LS2/LS3 throttle body wiring adapter (8 pin to 6 pin adapter)

    SKU: ACC-1053
    ACC-1053
    $294.99
    (3)
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    Gen 3 LS/Vortec coil sub-harness

    SKU: HAR-1050
    HAR-1050
    $74.00
    (1)
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    Gen 3/4 LS/Vortec coil sub-harness

    SKU: HAR-1052
    HAR-1052
    $74.00
    (2)
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    LS/Vortec coil extension harness

    SKU: HAR-1049
    HAR-1049
    $49.00
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    GEN 4 & 5 & Holley LS2/LS3 Accelerator Pedal (2007 - Current)

    SKU: ACC-1007
    ACC-1007
    $149.99
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    CPP LS Exhaust Manifolds

    SKU: CPLS
    CPLS
    $225.00
    (1)

Frequently Asked Questions

What is the benefit of using an additional front clearance oil pan in my OBS Chevy truck?

The GM LS Swap Oil Pan offers extra front clearance, making it easier to fit an LS engine in the 1988-98 OBS Chevy/GMC trucks, especially when upgrading suspension or chassis components.

Will the fan relay kit work with both LS and LT engines?

Yes, our fan relay kit is designed to handle cooling for both LS and LT engine swaps, ensuring your engine maintains optimal operating temperatures.

What is the difference between the R4 and Sanden 508 A/C bracket assemblies?

The R4 A/C bracket is designed for use with older R4 compressors, while the Sanden 508 bracket accommodates more modern Sanden 508 compressors, which are popular for their efficiency and durability.

Can I use the Gen 3 LS2/LS3 throttle body wiring adapter with other throttle bodies?

This wiring adapter specifically converts 8-pin connectors to 6-pin, making it compatible with Gen 3 LS2/LS3 throttle bodies and certain aftermarket models.

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