Zreneyfex 9Pcs 10.5mm Spark Plug Wire Set for SBC/BBC HEI – 90° & Straight Boots
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Description
xOverview
Experience reliable ignition performance with Zreneyfex’s nine-piece 10.5mm spark plug wire set, crafted for classic SBC and BBC Chevrolet engines. The wires blend a performance-oriented diameter with a heat-ready silicone jacket, delivering flexibility, durability, and consistent electrical transmission under hood heat and demanding conditions.
The 10.5mm design is optimized for steady spark delivery across cylinders, helping maintain smooth idle and confident throttle response in both shop work and weekend projects. The set’s two boot styles are selected to simplify installation and ensure a secure seal in tight spaces, whether you’re routing wires around headers or along compact valve covers.
Universal fit and boot design
These racing-grade wires are built to fit SBC and BBC Chevrolet engines and work with HEI-distributor configurations. The included 90-degree boot is tailored for HEI distributors, while the straight boot supports spark plugs and coil-in-cap HEI systems, providing versatile routing options for diverse engine bays.
- 90-degree boot for HEI distributor connections
- Black straight boot compatible with spark plugs and coil-in-cap HEI systems
- High-temperature silicone outer insulation for long-lasting performance
- Color-coded blue wires for easy identification during installation
Durability and materials
The outer silicone insulation is designed to withstand elevated engine bay temperatures, reducing the risk of insulation breakdown and minimizing resistance changes under heat. The wires are constructed to endure vibrations and frequent maintenance without compromising electrical integrity, supporting reliable starts and steady performance over time.
What’s in the box
- Nine blue spark plug wires
- 10.5mm insulation for heat resistance
- Two boot styles: 90-degree HEI and straight
- Note: coil wires are not included
Practical use considerations
Designed for retrofits, engine rebuilds, or performance upgrades, these wires offer a clean, secure installation with clear routing pathways. They provide the possibility of improved ignition path clarity and organized engine wiring, without asserting guaranteed results. This spark plug wire set is a component for ignition reliability, not a standalone performance claim.
Note: This is a spark plug wire set; coil wires are not included.
FAQ
Q: What engines compatibility does the Zreneyfex 9 Pcs 10.5mm Spark Plug Wire Set offer?
A: Compatible with SBC and BBC Chevrolet engines, including HEI designs; coil wires are not included.
Q: What comes in the package?
A: Nine blue spark plug wires are included, featuring 10.5mm silicone insulation and boot styles for HEI connections.
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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