FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines from the Chevrolet Small Block to GM LS Series, Ford Small and Big Blocks as well as Windsor, Modular, FE configurations. FAST also has taken the intiative to help out customers with less common applications such as Buick V6, Modern Chrysler and even 4 cylinder applications. And, while we may not have a custom tailored injector harness that fits your needs, all of our harnesses can be re-pinned for custom firing orders and reterminated to aC-Commodate different injector connectors.
CatalogUser 1This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1982-1985 |
Buick |
Century |
Custom |
| 1984 |
Buick |
Century |
Estate |
| 1985 |
Buick |
Century |
Estate Wagon |
| 1982-1985 |
Buick |
Century |
Limited |
| 1984 |
Buick |
Century |
Olympia Limited |
| 1983-1985 |
Buick |
Century |
T-Type |
| 1980-1985 |
Buick |
Electra |
Estate Wagon |
| 1980-1985 |
Buick |
Electra |
Limited |
| 1980-1985 |
Buick |
Electra |
Park Avenue |
| 1985 |
Buick |
Electra |
T-Type |
| 1980-1981 |
Buick |
LeSabre |
Base |
| 1985 |
Buick |
LeSabre |
Collector's Edition |
| 1982-1986 |
Buick |
LeSabre |
Custom |
| 1985-1986 |
Buick |
LeSabre |
Estate Wagon |
| 1980-1986 |
Buick |
LeSabre |
Limited |
| 1982 |
Buick |
LeSabre |
Limited Edition F/E |
| 1980-1981 |
Buick |
LeSabre |
Sport |
| 1982-1984 |
Buick |
Regal |
Base |
| 1982-1983 |
Buick |
Regal |
Estate Wagon |
| 1984 |
Buick |
Regal |
Grand National |
| 1982-1984 |
Buick |
Regal |
Limited |
| 1982 |
Buick |
Regal |
Limited Turbo |
| 1982 |
Buick |
Regal |
Sport |
| 1983-1984 |
Buick |
Regal |
T-Type |
| 1981-1984 |
Buick |
Riviera |
Base |
| 1982 |
Buick |
Riviera |
Limited Edition |
| 1983-1984 |
Buick |
Riviera |
Luxury |
| 1981-1984 |
Buick |
Riviera |
T-Type |
| 1983 |
Buick |
Riviera |
XX Anniversary Edition |
| 1986-1988 |
Buick |
Skylark |
Custom |
| 1986-1988 |
Buick |
Skylark |
Limited |
| 1986-1987 |
Buick |
Somerset |
Custom |
| 1986-1987 |
Buick |
Somerset |
Limited |
| 1986 |
Buick |
Somerset |
T-Type |
| 1985 |
Buick |
Somerset Regal |
Base |
| 1985 |
Buick |
Somerset Regal |
Limited |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
The AutoHouse Advantage: Global sourcing power paired with specialized expertise. We utilize an expansive supply network of over 600,000 SKUs to deliver world-class components with an enthusiast’s precision.
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Price Match Guarantee:
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We are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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• AH630 — $630 OFF $9000+
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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High-value performance parts deserve high-level security. We utilize fully encrypted, PCI-compliant checkout and premium, insured carriers to ensure your investment is protected from the moment you click 'Order' until it’s in your hands.
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Need an immediate answer? Our
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in-stock orders process within 48 hours. For your security, high-value performance parts require a signature upon delivery to ensure they reach you safely.
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Questions? Send us your
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