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Description
xOverview
The RLP Spark Plug Wire Set Extreme 9000 combines advanced materials with rugged construction to handle high-demand LS engines. A ceramic boot and ferrro-spiral core work together to help deliver reliable spark energy across demanding driving conditions, from daily commuting to performance sessions.
Designed for GM Gen 4 LS engines, this set is built to withstand heat, abrasion, and the rigors of spirited driving while remaining a straightforward replacement for compatible Cadillacs, Chevys, and GMCs.
Core Features
- Extreme heat ceramic boots and 8.0mm double silicone wires for durable performance in hot engines
- Stainless steel spark plug terminals maximize spark energy transfer to plugs
- Low-resistance 500 Ohms/foot ferro-spiral core provides strong EMI/EMI suppression
- Silicone boots rated up to 2,000 degrees Fahrenheit for demanding environments
- Coil pack distributor terminal ends with silicone boot material and a 135-degree boot end type
Compatibility & Fit
This set replaces the Accel 9070C and is tailored for GM Gen 4 LS3/LS4/LS7 engines. It fits a broad range of models in the Cadillac, Chevrolet, and GMC lines from mid-2000s to late-2000s, making it suitable for enthusiasts and daily drivers alike.
Durability & Warranty
- Premium build designed to resist high temperatures and abrasion over time
- 12-month warranty with hassle-free replacement or refund if any issue arises
What This Means for You
Expect stronger ignition energy delivery under heat and load, improved resilience in harsh environments, and a straightforward replacement path for supported GM engines. While results vary by vehicle and use, drivers may notice more consistent performance during hot drives and demanding sessions.
FAQ
Q: Is the RLP Spark Plug Wire Set compatible with LS engines?
A: Yes. It fits GM Gen 4 LS3/LS4/LS7 variants and many Cadillac, Chevy, and GMC models listed in the details.
Q: What heat and durability benefits does the Extreme 9000 offer?
A: Ceramic boots withstand up to 2,000°F with a ferro-spiral core for EMI/RFI suppression and silicone boots rated at 600°F.
Shipping & Return
xReturns 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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