Generic spark plug wire LS3 LS4 LS7 set for reliable ignition wiring.
Generic ceramic boot end resists up to 2000°F for durability.
Generic ferro-spiral core provides stable resistance per foot.
Generic silicone insulation rated to 600°F for durable engine use.
Generic heat resistant wiring for high temperature engine conditions.
Generic wire set showing coil to spark plug connection for consistent starts.
Generic after sales support available for assistance on fitment.
Generic spark plug wire LS3 LS4 LS7 set for reliable ignition wiring.
Generic ceramic boot end resists up to 2000°F for durability.
Generic ferro-spiral core provides stable resistance per foot.
Generic silicone insulation rated to 600°F for durable engine use.
Generic heat resistant wiring for high temperature engine conditions.
Generic wire set showing coil to spark plug connection for consistent starts.
Generic after sales support available for assistance on fitment.

Generic Spark Plug Wire Set for GM LS3/LS4/LS7/LT Engines – 9070C Extreme 9000 Ceramic Boots

Overview for GM LS Engine Owners Designed to fit a broad range of GM LS family engines,...
Vendor: Generic
Availability: In stock
£49.80
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Generic spark plug wire LS3 LS4 LS7 set for reliable ignition wiring.

Generic Spark Plug Wire Set for GM LS3/LS4/LS7/LT Engines – 9070C Extreme 9000 Ceramic Boots

£49.80
Generic spark plug wire LS3 LS4 LS7 set for reliable ignition wiring.
Generic ceramic boot end resists up to 2000°F for durability.
Generic ferro-spiral core provides stable resistance per foot.
Generic silicone insulation rated to 600°F for durable engine use.
Generic heat resistant wiring for high temperature engine conditions.
Generic wire set showing coil to spark plug connection for consistent starts.
Generic after sales support available for assistance on fitment.

Generic Spark Plug Wire Set for GM LS3/LS4/LS7/LT Engines – 9070C Extreme 9000 Ceramic Boots

£49.80
Description
Description
x

Overview for GM LS Engine Owners

Designed to fit a broad range of GM LS family engines, including LS3, LS4, LS7 and LT models, this Generic Spark Plug Wire Set supports both pre and post HEI configurations. Use the reference in the product images to confirm a proper fit for your vehicle, and enjoy a streamlined replacement that’s built for daily driving and occasional swaps.

Why replace spark plug wires

Over time wires can become worn, cracked, or less flexible, which may affect ignition reliability and idle consistency. Replacing them with a purpose built set can help preserve clean ignition pulses and smoother engine operation without implying guaranteed results.

How it works

The wires connect the ignition coil housing the initial spark to the spark plugs, delivering the electrical energy needed to fire each plug. A well-matched wiring set helps maintain steady spark timing across cylinders, contributing to easier starts and responsive throttle feel.

Key specifications

  • Ceramic boots on the spark plug end withstand up to 2000°F, supporting high temperature environments
  • Ferro-spiral core with 500 Ohms per foot resistance for reliable signal transfer
  • Silicone insulation rated to 600°F, designed for durability through engine heat cycles
  • Broad compatibility with GM LS3, LS4, LS7 and LT engines, for both pre and post HEI setups

Real world use cases

  • Classic swaps into older or modernized trucks and cars with LS engines
  • Maintenance during hot summer commutes where spark reliability matters
  • Performance tuning scenarios where crisp ignition timing can support smoother operation

What you get and care tips

A complete ignition wire kit with heat resistant construction designed for the LS engine family. For best results, verify sizing against the image reference and handle ceramic boots with care during installation.

Service and support

We offer responsive after sales assistance to help with fitment questions or setup guidance after purchase.

FAQ

Q: Which GM engines does this spark plug wire set fit?

A: Compatible with GM LS3, LS4, LS7, and LT engines, for pre and post HEI configurations.

Q: What are the main heat and resistance specs?

A: Ceramic boots withstand up to 2000°F; ferro-spiral core has 500 Ohms per foot; silicone insulation rated to 600°F.

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.

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.

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