RLP Silicone Spark Plug Wires Set 8mm Blue – Ford Truck 6-Cylinder 250/300 4.9L HEI Distributor Compatible
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Description
xOverview
The RLP Silicone Spark Plug Wires Set in blue 8.0mm is engineered for Ford Truck 6-cylinder engines, including 250, 300, and 4.9L variants. This high-performance wire set is built to handle tough conditions in the engine bay while delivering clean electrical pulses to ignite the air–fuel mixture. The result is a robust, reliable upgrade that can help maintain ignition efficiency under heat, moisture, and chemical exposure. The design emphasizes durability and responsiveness without promising guarantees, offering a practical option for enthusiasts and daily drivers alike.
Key design and material advantages
- Low resistance, spiral-core conductor supports efficient spark delivery and reduces EMI/RFI interference.
- Heavy-duty 8.0mm silicone jacket protects the spiral core from heat, moisture, and chemicals while maintaining flexibility for installation.
- Silicone distributor boots and high-temperature insulation help the wires endure demanding environments.
- Premium terminals use stainless steel and brass to maximize conductivity and long-term durability.
- HEI compatibility includes a black 90-degree boot designed for HEI distributors, with a note that a coil wire is not included.
Performance and usage considerations
- EMI/RFI suppression aims to minimize interference, potentially contributing to steadier electrical signals in challenging bays.
- Heat and oil resistance helps the wires hold up in hot engines and oily environments, reducing the risk of jacket degradation.
- 6-wire set is designed for Ford Truck 6-cylinder configurations (250/300/4.9L), giving a complete replacement option for the ignition system.
- Warranty includes a 12-month coverage, offering reassurance if issues arise with the replacement wires.
Practical usage notes
This kit is intended to replace worn or damaged spark plug wires on compatible Ford 6-cylinder engines. It features the distinctive blue boots and a robust construction that can hold up under typical driving scenarios, including daily commuting and light towing. If your setup uses an HEI distributor, the 90-degree boot facilitates a fit designed for that system. The product does not include a coil wire, so ensure your complete ignition components align with this set.
Why choose RLP
RLP focuses on durable components that stand up to heat, moisture, and routine engine exposure. By prioritizing a strong junction between the conductor and terminal, along with protective booting and jacket coverage, this set targets reliable ignition pulses in a straightforward, install-at-home package.
FAQ
Q: Which engines is this wire set compatible with?
A: Ford Truck 6-cylinder engines (250, 300, 4.9L).
Q: Does this set include a coil wire?
A: No coil wire is included; only the six spark plug wires with HEI boot.
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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