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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
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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:
- 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
4.9 ★★★★★
Based on 30 reviews
Sort
Product Reviews
★★★★★ 5
Great option for a slim wallet.
Color: Black Tonal
I love this wallet. i bought my fist one and it lasted for a decade before the seems finally got some wear. It will eventually wear out some chips because of how tightly i pack it, but that is on me for trying to fit extra cards in there. Its a perfect slim wallet.
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Good for the price.
Color: Grid - Black (Limited Edition)
Good sturdy wallet, small just like I like them.
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Reviewed in the United States on October 12, 2025
★★★★★ 5
Best Wallet EVER
Color: Black Tonal
This is my third wallet from this brand, and it’s just as impressive as the others. I had my first one for about seven years before I lost it, and I ended up giving my second to a family member in El Salvador who loved it. I went with the black this time, and it’s amazing, sleek, high-quality, and slim, exactly what I was looking for. Highly recommend it to anyone wanting a stylish, durable wallet that’s great value!
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Reviewed in the United States on October 31, 2024
★★★★★ 5
Buy with confidence
I really just wanted a Herschel because of the aesthetics, but in reality the quality is so much better than I could have imagined. The wallet holds together well after repeated use and shows no wear and tear remarkably. I would replace this with the same exact wallet every time.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Buy it!
It’s great quality this is my third wallet. I buy the exact same one every time. I purchase them maybe every 2 years. It’s thick, the size is perfect it’s medium size I suppose, worth the money spent on it. Perfect size for your cards, it keeps it tight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2025
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