Name: Wheel Front Ltd. Liability Company
Price range: $

“HOLLEY Wire Harness Kit – EFI Terminator I/O 558-420” has been added to your cart. View cart

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HOLLEY Wire Harness – LS2/LS3/ LS7 Fuel Injectors 558-501
SKU: HLY558-501
Product information
Weight6.8 lbs
Dimensions15 × 14.5 × 4.4 in
Harness Purpose
Harness Kit

Quantity
Kit

Plug Seals Included
Yes

Loom / Sleeve Included
Yes

Harness End 1
USCAR EV6

Details...
Original price was: $1,045.00.Current price is: $949.95.Add to cart

Original price was: $1,045.00.Current price is: $949.95.
Quantity Only 2 left in stock!
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HOLLEY Wire Harness Kit – EFI Terminator I/O 558-420
SKU: HLY558-420
Product information
Weight0.65 lbs
Dimensions4.8 × 4.4 × 3.2 in
Harness End 1
Connector Pins

Harness End 2
Wire Ends

Harness Purpose
Terminator Input / Output Harness

Quantity
Each

Unassembled
Yes

Details...
Original price was: $62.00.Current price is: $56.25.Add to cart

Original price was: $62.00.Current price is: $56.25.
Quantity Only 8 left in stock!
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HOLLEY J4 Connector & Harness 558-404
SKU: HLY558-404
Product information
Weight1.95 lbs
Dimensions10.6 × 10.4 × 2.2 in
Harness End 1
J4 Male Plug

Harness End 2
Connector Pins

Harness Purpose
Auxiliary Harness

Quantity
Each

Plug Seals Included
Yes

Details...
Original price was: $263.00.Current price is: $238.95.Add to cart

Original price was: $263.00.Current price is: $238.95.
Quantity Only 6 left in stock!
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HOLLEY J3 Connector & Harness 558-403
SKU: HLY558-403
Product information
Weight1.4 lbs
Dimensions11 × 10.5 × 2.2 in
Harness End 1
J3 ECU Male Plug

Harness End 2
Connector Pins

Harness Purpose
Auxiliary Harness

Quantity
Each

Plug Seals Included
Yes

Details...
Original price was: $206.00.Current price is: $186.95.Add to cart

Original price was: $206.00.Current price is: $186.95.
Quantity Only 3 left in stock!
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HOLLEY Injector Harness Ford w/ Jetronic Injectors 558-213
SKU: HLY558-213
Product information
Weight0.75 lbs
Dimensions10.75 × 10.45 × 2.3 in
Harness End 1
Bosch EV1

Harness End 2
Ford V8 Male Plug

Harness Purpose
Adapter

Loom / Sleeve Included
Yes

Quantity
Each

Details...
Original price was: $235.00.Current price is: $212.95.Add to cart

Original price was: $235.00.Current price is: $212.95.
Quantity Only 2 left in stock!
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HOLLEY Injector Harness V8 Evenly Spaced USCAR 558-210
SKU: HLY558-210
Product information
Weight0.753 lbs
Dimensions10.75 × 10.75 × 2.3 in
Harness End 1
USCAR EV6

Harness End 2
Bosch Jetronic / Minitimer

Harness Purpose
Adapter

Loom / Sleeve Included
Yes

Quantity
Each

Details...
Original price was: $229.00.Current price is: $207.95.Add to cart

Original price was: $229.00.Current price is: $207.95.
Quantity Only 1 left in stock!
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HOLLEY Injector Harness – 16 Injectors – Unterminated 558-207
SKU: HLY558-207
Product information
Weight1.52 lbs
Dimensions10 × 10 × 2 in
Harness End 1
Bosch EV1

Harness End 2
Holley Dominator EFI

Harness Purpose
MPFI Harness

Loom / Sleeve Included
Yes

Quantity
Kit

Details...
Original price was: $229.00.Current price is: $207.95.Add to cart

Original price was: $229.00.Current price is: $207.95.
Quantity Only 1 left in stock!
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HOLLEY Injector Wiring Harness V8 EV6 Style Injectors 558-201
SKU: HLY558-201
Product information
Weight0.66 lbs
Dimensions6.55 × 5.95 × 4.25 in
Harness End 1
USCAR EV6

Harness End 2
Holley Dominator EFI

Harness Purpose
Adapter

Loom / Sleeve Included
Yes

Quantity
Each

Details...
Original price was: $209.00.Current price is: $189.95.Add to cart

Original price was: $209.00.Current price is: $189.95.
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HOLLEY Injector Wiring Harness V8 Bosch Style Injectors 558-200
SKU: HLY558-200
Product information
Weight0.65 lbs
Dimensions6.5 × 5.8 × 4.2 in
Harness End 1
Bosch EV1

Harness End 2
Holley Dominator EFI

Harness Purpose
Adapter

Loom / Sleeve Included
Yes

Quantity
Each

Details...
Original price was: $235.00.Current price is: $212.95.Add to cart

Original price was: $235.00.Current price is: $212.95.
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FUELTECH USA PRO600 V8 Secondary Injector Harness 2002109220
SKU: FTH2002109220
Product information
Weight2.753 lbs
Dimensions12 × 10 × 3 in
Harness Purpose
Expansion Harness

Quantity
Each

Harness End 1
PRO600

Harness End 2
EV1 Injectors

Loom / Sleeve Included
Yes

Details...
Original price was: $604.00.Current price is: $549.00.Add to cart

Original price was: $604.00.Current price is: $549.00.
Quantity Only 1 left in stock!
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Frequently Asked Questions

What sets Wheel Front Shop apart from the rest?

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.

How fast do we process backorders for auto parts?

We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 10-14 days. Shop with Confidence Commitment: If we cannot fulfill your backorder within 30 days, Wheel Front will issue a full refund—no hidden fees, no hassle, and no questions asked. Because your trust matters, we're committed to making every purchase simple, transparent, and worry-free.

Why Choose Our International Shipping?

We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.

How long does shipping take?

Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%

Can I track my order?

Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.

Do you have my product in stock?

Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.

My goods arrived damaged, what should I do?

We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.

How do I return an order?

You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

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