ACCEL 4040 spark plug wire set with 8mm yellow boots for reliable street performance.
ACCEL 4040 orange straight boot detail showing easy routing and solid connection.
ACCEL 4040 RFI suppression closeup highlights durable silicone jacket.
ACCEL 4040 spark plug wire set with 8mm yellow boots for reliable street performance.
ACCEL 4040 orange straight boot detail showing easy routing and solid connection.
ACCEL 4040 RFI suppression closeup highlights durable silicone jacket.

ACCEL 4040 Spark Plug Wire Set - 8mm Yellow with Orange Straight Boots | Street-Driven Performance

Upgrade your ignition with the ACCEL 4040 Spark Plug Wire SetDesigned for everyday street use, this 8mm...
Vendor: ACCEL
Availability: In stock
£70.23
£70.23
Please hurry! Only 5 left in stock
Subtotal: £70.23
10 customers are viewing this product

Free UK Delivery on All Orders

No Minimum Spend Fast & Reliable Delivery Ships Across the UK

Free Returns

30-Day Free Returns
ACCEL 4040 spark plug wire set with 8mm yellow boots for reliable street performance.

ACCEL 4040 Spark Plug Wire Set - 8mm Yellow with Orange Straight Boots | Street-Driven Performance

£70.23
ACCEL 4040 spark plug wire set with 8mm yellow boots for reliable street performance.
ACCEL 4040 orange straight boot detail showing easy routing and solid connection.
ACCEL 4040 RFI suppression closeup highlights durable silicone jacket.

ACCEL 4040 Spark Plug Wire Set - 8mm Yellow with Orange Straight Boots | Street-Driven Performance

£70.23
Description
Description
x

Upgrade your ignition with the ACCEL 4040 Spark Plug Wire Set

Designed for everyday street use, this 8mm wire set blends a vibrant ACCEL yellow silicone jacket with a durable fiberglass braid. The result is a visually striking upgrade that stays cool under the hood and keeps up with daily driving demands.

The spiral-core construction includes RFI suppression and a high-dielectric-strength EPDM inner insulation, helping to minimize stray signals and maintain steady spark delivery across heat cycles. Stainless steel plug terminals and zinc-plated hardware resist corrosion, granting dependable connections in varied climates. With straight boots and complete eight-wire coverage, this set is built to fit a wide range of vehicles and ignition setups.

Core design advantages

  • 8mm high-gloss silicone jacket (with 450°F heat tolerance) for durable insulation
  • RFI suppression tailored for street-driven applications
  • Stainless steel plug terminals and zinc-plated hardware for longevity
  • Historic ACCEL yellow jacket with a practical, heat-resistant build
  • Custom-fit universal and import coverage across many 8mm systems

In real-world use, you may notice easier starts, smoother idle, and more confident throttle response during daily drives, weekend cruises, or backroad sessions. The orange straight boots simplify routing in tighter engine bays while preserving a clean, professional look under the hood.

While benefits depend on your vehicle and driving style, the ACCEL 4040 set is designed to offer a solid upgrade path from aging OE wires. Always verify fitment with your ignition system and vehicle specifications before installation.

FAQ

Q: What vehicles can use the ACCEL 4040 Spark Plug Wire Set?

A: Designed for street-driven engines with universal and import coverage, fitting many 8mm wire systems.

Q: What are the key features of the ACCEL 4040 wires?

A: 8mm silicone jacket rated to 450°F, RFI suppression, and zinc-plated terminals for durable, reliable connections.

Shipping & Return
Shipping & Return
x

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Complete Your Setup

Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23
Example product title
£70.23
£70.23

Recently Viewed Products