LS550 V8 Complete Harness
SKU: 91878025382

LS550 V8 Complete Harness

$320.83 $356.48
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

LS550 V8 Complete HarnessThe FuelTech LS550 V8 Complete Harness offers plug and play installation for a standalone LS swap utilizing a FuelTech FT550 or FT550LITE ECU and GM LS engine. The LS550 V8 Complete Harness is pre terminated for an LS engine installation with all relays and fuses needed for a simple 3 wire battery hook up and ignition power. Ready for both 58x and 24x triggers with provision for direct connection to LS3 style ignition coils, GM style flex fuel sensor

     The FuelTech LS550 V8 Complete Harness offers plug and play installation for a standalone LS swap utilizing a FuelTech FT550 or FT550LITE ECU and GM LS engine. The LS550 V8 Complete Harness is pre-terminated for an LS engine installation with all relays and fuses needed for a simple 3 wire battery hook up and ignition power. Ready for both 58x and 24x triggers with provision for direct connection to LS3 style ignition coils, GM style flex fuel sensor and dual WB-O2 Nano connections. The LS550 harness is set up for both cable and drive-by-wire based throttle, with the connector for a GM style accelerator pedal on the cabin side of the harness. Each connector is labeled, and the connectors and harness insulation are heat, moisture and oil resistant. 

    Contents of Packaging


    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 91878025382

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    4.5 ★★★★★
    Based on 1996 reviews
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    Product Reviews
    C
    Verified Purchase
    Chelsea
    Omaha, US
    ★★★★★ 5
    Very fun toy at a great price
    Color: Monsieur Acorn - Large
    My dog (an American Staffordshire Terrier) lovessss to chew and destroy things! We have literally gotten three of these because she loves them so much, and they last, too!! You get the first toy, which my dog rips open. I’m not sure exactly how long it takes for her to destroy it, maybe a few days to a week. Then another little toy (with a sad face lol) is revealed. She highly enjoys this one, as well! Finally, she rips the fabric off that and then a blue, spiky ball is revealed. She lovesss to chew on it and I think the bumps are a nice texture for her mouth. She is quite a strong chewer and the ball lasts a long time!! No toy lasts forever and I have found under dog toys are quite expensive and that’s no guarantee of how long it will actually last. But I am perfectly fine with spending ~$11 every once in a while for these toys because I know she loves them, and they are not immediately destroyed.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on July 25, 2020
    M
    Verified Purchase
    malysway
    Grantham, US
    ★★★★★ 5
    Would happily purchase again.
    Color: Hedgehog
    My powerchewer of a dog destroys plushies in 10 minutes and most other 'tough chew' toys don't last more than a day or two - at most. But he loves his hedgehog and hasn't managed to destroy it! Sure, it has a plethora of teeth marks, but it's in one piece and he hasn't managed to bite off any chunks (I was worried about the hedgies nose 😂). It stands up to his teeth and allows him to satisfy his need to gnaw & chew, safely.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 23, 2026
    L
    Verified Purchase
    lorraine williams
    Boise, US
    ★★★★★ 5
    Best toy around
    Color: Hare - Large
    If you have the type of dog that can chew anything up but a bowling ball this is the toy for you my dog has been chewing on it and can't even tear it she loves it she won't let go of it and we're working on 45 minutes this toy is great and I'm going to buy other ones thank you
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 12, 2026
    P
    Verified Purchase
    Pocadot
    Pawtucket, US
    ★★★★★ 5
    Best toys!
    Color: Monsieur Acorn - Large
    BEST TOYS!!! My dogs LOVE THESE!!! The bonus toy inside is SOOO FUN!! Last ms them a long time.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 25, 2026
    B
    Verified Purchase
    Becca Q.
    New York, US
    ★★★★★ 4
    Excellent, But Not Strong Enough
    Color: Monsieur Acorn - Large
    This has become the most engaged my dog has ever been with a toy. He chewed these acorns for an hour and a half STRAIGHT. Sadly, he was able to shred both acorns by this time. For dogs with a normal chewing and shredding amount, this toy would be perfect. However, for a super chewer like our dog (Lab/Malamute), it seems like we're going to need something stronger...
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 6, 2025

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