SKU: 75974797898

Holley EFI Transmission Harness - T-56 558-481

$109.32 $121.47
Save 10%
No.2 Bestseller on salfueradeti.es >

Pay in installments of $30.37 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Holley EFI Transmission Harness - T-56 558-481Terminator X Max ECUs on V3 Build 100 or later Holley EFI V6 Build 300 or later Features: Specs: Brand Holley EFI Connector Quantity 4 Emission Code 3 Grade Type Performance Harness Application GM Harness Type Transmission Product Type Transmission Harness Warning California Proposition 65 Application: Year Make Model Submodel

Terminator X Max ECUs on V3 Build 100 or later - Holley EFI V6 Build 300 or later


Features:

    Specs:

    Brand Holley EFI
    Connector Quantity 4
    Emission Code 3
    Grade Type Performance
    Harness Application GM
    Harness Type Transmission
    Product Type Transmission Harness
    Warning California Proposition 65

    Application:

    Year Make Model Submodel
    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: 75974797898

    Discover Niche Categories That Outsell

    Top-Converting Item to Boost Your Average Order

    4.7 ★★★★★
    Based on 26 reviews
    Sort
    Highest Rating
    Newest First
    Oldest First
    Product Reviews
    J
    Verified Purchase
    J.P.
    Waukegan, US
    ★★★★★ 3
    Not for Aggressive Chewers
    Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
    Not for aggressive chewers. My puppy ripped it open as soon as I gave it to him.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on November 10, 2025
    J
    Verified Purchase
    Jen Scarbrough
    San Leandro, US
    ★★★★★ 4
    Pricey
    Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
    It was made very well. It is durable. But I really paid to much
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 24, 2023
    A
    Verified Purchase
    Amazon Customer
    Dallas, US
    ★★★★★ 3
    Festive Dog Toy
    Color: Georgia Bulldogs, Style: NCAA #1 Fan Toy
    Cute, college Gameday toy! My dog tore it up in within 30 minutes. Not for heavy chewers. 😟
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 11, 2025
    C
    Verified Purchase
    Cookie
    Los Angeles, US
    ★★★★★ 1
    Didn't last a single day
    Color: Alabama Crimson Tide, Style: NCAA #1 Fan Toy
    My heavy chewer destroyed this within 3 hours. Don't even bother.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 2, 2026
    K
    Verified Purchase
    Kindle Customer
    Fort Morgan, US
    ★★★★★ 5
    Tough toy
    Color: Wisconsin Badgers, Style: NCAA #1 Fan Toy
    Dogs haven't destroyed it so that's 5 stars in my house
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 23, 2025

    recommand products

    ICT BILLET BBC Alternator Bracket uses Long Water Pump 551663
    86.95
    DOMINATOR RACE PRODUCTS Valance Camaro SS Blue 345-BL
    88.95
    HOLLEY 1/8-27 Npt EFI Sensor Block 534-35
    89.95
    DOMINATOR RACE PRODUCTS Valance Camaro SS Black 345-BK
    88.95
    VIBRANT PERFORMANCE 180 Degree Hose End Fitt ing; Hose Size: -20 AN 21820
    89.95