ACCEL Shorty copper core spark plug pack—cramped space friendly and high rpm ready.
ACCEL Shorty copper core spark plug pack—cramped space friendly and high rpm ready.

ACCEL 0576S-4 Shorty Copper Core Spark Plug Pack of 4 | Cramped Space Performance

ACCEL Shorty Copper Core Spark Plug Overview The ACCEL 0576S-4 Shorty spark plugs are built for engines...
Vendor: ACCEL
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ACCEL Shorty copper core spark plug pack—cramped space friendly and high rpm ready.

ACCEL 0576S-4 Shorty Copper Core Spark Plug Pack of 4 | Cramped Space Performance

£57.72
ACCEL Shorty copper core spark plug pack—cramped space friendly and high rpm ready.

ACCEL 0576S-4 Shorty Copper Core Spark Plug Pack of 4 | Cramped Space Performance

£57.72
Description
Description
x

ACCEL Shorty Copper Core Spark Plug Overview

The ACCEL 0576S-4 Shorty spark plugs are built for engines where space is tight. Their compact design helps keep spark plug boots away from heat from exhaust manifolds or headers, reducing the risk of boot damage and header contact. The copper-core construction boosts heat transfer, supporting more stable operating temperatures and consistent ignition under spirited driving. This combination aims to deliver a practical upgrade for crowded engine bays without sacrificing reliability.

In everyday driving, you may notice quicker response during acceleration and a more decisive feel when you roll onto the throttle, especially at higher RPM. The copper core contributes to efficient heat management, which can help maintain steady performance across a range of speeds and loads. While individual results vary, users often report less fouling and smoother combustion behavior when ignition stays consistent and heat is well managed.

Key Benefits for Real-World Driving

  • Ideal for use in cramped spaces, helping boots and headers avoid contact
  • Significantly more power at high RPMs for stronger top-end performance
  • Instant throttle response and the potential for improved fuel economy with steady firing
  • Reduced risk of fouling, flame dissipation, and misfires through reliable heat transfer
  • Pack of four for convenient replacement and balanced maintenance

Design, Fit, and Installation Notes

  • Copper-core construction offers enhanced thermal conductivity for stable operation
  • Machine-rolled 14mm threads help protect engine heads during installation
  • Compatible with standard 5/8 inch spark plug sockets for easy removal and installation
  • Shorty form factor is specifically aimed at tight engine compartments

What to Expect

These plugs are designed to be a straightforward upgrade in compatible engines where space is at a premium. They emphasize practical performance enhancements rather than lofty guarantees, so consider them as a potential improvement that aligns with your goals for better throttle response, high-RPM strength, and reliable ignition in cramped installations.

FAQ

Q: What sets ACCEL 0576S-4 Shorty apart from standard spark plugs?

A: The copper-core design improves heat transfer and stability, while the Shorty form fits tight spaces for easier maintenance and access.

Q: What’s included in the pack, and how do I install?

A: The pack contains four plugs; they use 14mm threads and a standard 5/8 socket for straightforward installation in cramped engine bays.

Shipping & Return
Shipping & Return
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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.

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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.

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