• About Labwork： Labwork is an Auto Parts One-Stop Solution brand of more than 10 years, which specializes in providing global customers with top-notched quality automotive parts & accessories . If you need any auto parts, its enough to come to Labwork.
  •  
  • Features：
  • 1. 100% Brand New, fit for aftermarket replacement part, made of high quality material can be used for a long time. Excellent material and touch, can meet your requirements.
  • 2. Easy install and convenient to use, process is simple. 3. Interchange part number: 12569167, 10214664

    • Labwork Rocker Arms With Trunion Installed For LS1 Engines 4.8 5.3 5.7 6.0 16x

    About Labwork：
    Labwork is an Auto Parts One-Stop Solution brand of more than 10 years, which specializes in providing global customers with top-notched quality automotive parts & accessories . If you need any auto parts, its enough to come to Labwork.

     

    Features：

    1. 100% Brand New, fit for aftermarket replacement part, made of high quality material can be used for a long time. Excellent material and touch, can meet your requirements.

    2. Easy install and convenient to use, process is simple.
    3. Interchange part number: 12569167, 10214664

    Install:
    the upgraded rocker arms to the cylinder heads using the new socket head cap screws supplied. Be sure to rotate the trunion so that the flat recess side of the trunion's center hole faces upward (the socket head cap screw must seat against this recessed flat side of the hole). Tighten the cap screw to a value of 22 ft-lbs, following the OE installation procedure.

     

    Fitment: 
    For LS1/LS2/LS6/ LR4 Vortec 5300 LM7 L59 LM4 L33 – 4.8/5.3/5.7/6.0/ Engines
    For Cadillac Escalade; 
    For Chevy Avalanche 1500, Camaro, Corvette, Express 2500 3500, Silverado 1500 2500, Suburban 1500 2500, Tahoe, Trailblazer (EXT), Savana 1500 2500;
    For GMC Sierra 1500 2500, Sierra 2500, Yukon (XL); 
    For Isuzu Ascender; For Pontiac Firebird.

     

    Package Includes:

    16 LS Series Rocker Arms
    16 bolts for LS trunnion kit

     

     



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    Usually we arrange shipping in 3 business day after payment confirmed.
    Orders will be shipped out via Carrier USPS or FedEx .

    Delivery time :

    When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

    Warrenty & RMA

    Warranty for defective items (excluding items damaged and/or misused after receipt).
    In order to return an item you must contact us to request a RMA No.
    Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your eBay ID.

    Service & Contact

    We hope you have a pleasant shopping experience with us and satisfy 100%.
    If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative feedback, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
    Usually, we response your email in 1 business day.

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    Labwork Rocker Arms With Trunion Installed For LS1 Engines 4.8 5.3 5.7 6.0 16x


    Usually we arrange shipping in 3 business day after payment confirmed.
    Orders will be shipped out via Carrier USPS or FedEx .

    Delivery time :

    When you find track information is abnormal or not get goods , please feel free to email contact us first for troubleshooting, Don"t open dispute case immediately Please.

    Warranty for defective items (excluding items damaged and/or misused after receipt).
    In order to return an item you must contact us to request a RMA No.
    Please returned items in the original packaging, fill in RMA number on package, and PROVIDE us reason for the return, and your eBay ID.

    We hope you have a pleasant shopping experience with us and satisfy 100%.
    If there are any item or delivery problems, please email contact us first, BEFORE you leave neutral or negative feedback, or 1,2,3 ratings, so that we can address your concerns. Please give us the opportunity to resolve any problem.
    Usually, we response your email in 1 business day.

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    On Apr 13, 2026 at 23:14:24 PDT, seller added the following information:

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