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JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic
DKK 309
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After market high premium quality 10.5mm racing spark plug wires.
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What Stands Out
Product Details
- Wire Lengths: 1x 45.9 inches, 1x 36.6 inches, 1x 41.5 inches, 1x 29.1 inches, 1x 38.6 inches, 1x 20.7 inches, 3x 32.7 inches
- 10.5mm Racing Spark Plug Wires; Ready for Install Straight out of the box
- Universal Set Replacement for Chevrolet SBC & BBC Engines
- Fitment: Replacement for HEI (High Electronic Ignition) systems with Small Block and Big Block engines including SBC 302, 305, 307, 327, 350, 400, BBC 348, 366, 396, 402, 409, 427, 454, 496, 502, 572, 632 engines with V8 4.9L, 5.0L, 5.4L, 5.7L, 6.6L, 6.5L, 6.7L, 7.0L, 7.4L, 8.1L, 8.2L, 9.4L and 10.4L displacements
- Please make sure to check fitment below!!
| Brand Name | JDMSPEED |
| Manufacturer | JDMSPEED |
| UPC | 713803813998 |
| Part Number | SBC350 |
| Model | SBC350 |
| Unit Count | 1.0 Count |
| Item Dimensions | 10.24 x 2.56 x 7.68 inches (26 x 6.5 x 19.5 cm) |
| Item Weight | 1.14 Kilograms |
| Wire Diameter | 10.5 Millimeters |
| Connector Type | Hei |
| Material Type | Copper Silicone |
| Cable Type | sbc |
| Brand | JDMSPEED |
| Material | Copper Silicone |
| Item dimensions L x W x H | 10.24 x 2.56 x 7.68 inches (26 x 6.5 x 19.5 cm) |
Who Should Buy?
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Performance Enthusiasts
Ideal for car enthusiasts seeking improved ignition performance in their HEI SBC or BBC engines.
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Classic Car Owners
Perfect for classic car restorations utilizing 350, 383, or 454 cubic inch engines with HEI systems.
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DIY Mechanics
A great choice for DIYers looking to replace spark plug wires efficiently without professional assistance.
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Modern Vehicles
Not suitable for newer engine models that require specific wire designs or temperatures beyond 10.5mm.
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High-Performance Racing
May not meet the high demands or durability specifications for competitive racing applications.
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Low-Performance Engines
Not necessary for engines with minimal performance needs, as this set is over-engineered for them.
Product Description
About This Item
Introducing the JDMSPEED New 10.5mm Spark Plug Wire Set, the ultimate replacement for your HEI SBC BBC 350 383 454 Electronic spark plug wires. Engineered for superior performance and durability, these spark plug wires are designed to deliver maximum power to your engine. With a 10.5mm diameter, these wires provide a strong electrical current for improved ignition and combustion. This ensures that your engine runs smoothly and efficiently, delivering optimal performance and fuel efficiency. Our spark plug wires are specifically designed for HEI (High Energy Ignition) systems, making them the perfect choice for SBC, BBC, 350, 383, and 454 engines.
The high-quality construction of these wires ensures reliable spark delivery, even under high temperatures and extreme conditions. Installation is a breeze with these JDMSPEED spark plug wires. Each wire is labeled with the cylinder number and features a durable boot and connector for a secure connection. The wires are also color-coded for easy identification, making the installation process quick and hassle-free. Upgrade to these JDMSPEED spark plug wires and experience enhanced performance in your engine.
Whether you're looking for a replacement for your old spark plug wires or simply want to improve the performance of your vehicle, these wires are the perfect choice. Don't settle for mediocre spark plug wires when you can have the best. Upgrade to the JDMSPEED New 10.5mm Spark Plug Wire Set and take your engine's performance to the next level. Get yours today and unleash the full potential of your engine.
Customer Questions & Answers
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Question:
What vehicles are compatible with the JDMSPEED 10.5mm Spark Plug Wire Set?
Answer: The JDMSPEED 10.5mm Spark Plug Wire Set is designed to fit a range of vehicles equipped with HEI ignition systems, specifically for Small Block Chevy (SBC) and Big Block Chevy (BBC) engines, including popular variants like the 350, 383, and 454. This compatibility ensures that you can find a reliable replacement for your ignition system, helping maintain optimal engine performance. Whether you’re restoring a classic car or upgrading your late model, this wire set is an essential component for efficient spark delivery. -
Question:
What materials are used in the construction of the spark plug wires?
Answer: The JDMSPEED spark plug wires are constructed using high-quality silicone insulation, providing excellent heat resistance and durability. This material choice minimizes electrical interference and enhances signal clarity, ensuring efficient spark delivery to the engine. Additionally, the wires are designed with spiral wound copper cores that allow for low resistance, promoting better performance and responsiveness in your ignition system. This quality construction not only improves engine efficiency but also enhances overall reliability during high-performance driving. -
Question:
How do I install the JDMSPEED Spark Plug Wire Set?
Answer: Installing the JDMSPEED Spark Plug Wire Set involves a straightforward process: first, remove the old wires by disconnecting them from the spark plugs and ignition coil. Then, ensure you take note of the routing for better installation. Next, connect the new wires to the corresponding plugs, ensuring a snug fit to prevent misfires. Proper routing is crucial for avoiding interference and for maintaining the engine's thermal environment. This simple upgrade can lead to smoother starts and improved engine performance. -
Question:
What is the benefit of using 10.5mm spark plug wires?
Answer: The 10.5mm diameter of the JDMSPEED spark plug wires provides a larger surface area for electrical conduction, resulting in lower resistance and improved performance over thinner wires. This greater diameter can enhance the voltage delivered to the spark plugs, leading to more powerful ignition and better fuel combustion. In practical terms, using thicker wires helps improve throttle response and engine efficiency, making it an ideal choice for both daily drivers and high-performance configurations. -
Question:
Are these spark plug wires suitable for racing applications?
Answer: Yes, the JDMSPEED 10.5mm Spark Plug Wire Set is particularly suitable for racing and high-performance applications. The construction features high-temperature silicone and a low-resistance copper core, ideal for environments where optimal performance is critical. These characteristics help ensure that the wires can withstand the demands of high RPMs and potential overheating, helping to prevent misfires during intense racing conditions. Upgrading to these wires can provide noticeable improvements in acceleration and overall engine responsiveness. -
Question:
What color options are available for this wire set?
Answer: The JDMSPEED New 10.5mm Spark Plug Wire Set is typically available in a vibrant red color. This choice not only provides a distinct aesthetic appeal under the hood but also allows for easier identification during installations and maintenance. The bright color can enhance the visual profile of your engine bay, making it look more polished while ensuring you maintain effective functionality. Consider pairing this set with other red accents in your engine compartment for a cohesive look. -
Question:
Can I use these spark plug wires with EFI systems?
Answer: Yes, the JDMSPEED 10.5mm Spark Plug Wire Set is compatible with EFI (Electronic Fuel Injection) systems that utilize HEI (High Energy Ignition) setups. The wires are designed to deliver high voltage output, which is essential for optimal flame propagation in fuel-injected engines. Properly using these wires helps ensure that your EFI system operates effectively, facilitating smoother combustion and better overall engine performance. This compatibility makes them a versatile choice for various engine builds. -
Question:
How do the spark plug wires affect engine performance?
Answer: Spark plug wires play a crucial role in engine performance by delivering electrical current from the ignition coil to the spark plugs. The JDMSPEED 10.5mm Spark Plug Wire Set is designed to minimize resistance, which allows for maximum voltage delivery. This improved efficiency results in more reliable ignition, reducing misfires and enhancing fuel combustion. A well-functioning spark plug wire set like this one can lead to smoother acceleration, improved horsepower, and overall better fuel economy. -
Question:
What is the typical lifespan of spark plug wires?
Answer: Spark plug wires like the JDMSPEED 10.5mm set can last anywhere from 30,000 to 100,000 miles, depending on driving conditions and engine performance. Regular wear and exposure to high temperatures can cause them to degrade over time. Signs that you may need to replace them include engine misfires, rough idling, or decreased fuel efficiency. To prolong their lifespan, it is advisable to routinely inspect them for signs of wear, such as fraying insulation or cracks. -
Question:
Where can I buy JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic?
Answer: You can purchase the JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic from Ubuy in Faroe Islands. Ubuy is a reliable e-commerce platform known for offering a wide range of automotive parts and accessories, ensuring quality and customer satisfaction. Visit Ubuy to explore this product further and place your order with confidence.
JDMSPEED Wire Sets Editorial Review
The JDMSPEED New 10.5mm Spark Plug Wire Set Replacement for HEI SBC BBC 350 383 454 Electronic is a great buy for the price and generally receives positive feedback from customers. With a total of 10 wires in the pack, eight for the spark plugs and two for the coil wires, the length is quite long and already terminated. However, depending on the vehicle, the wires may be too thick for traditional 8mm looms and require some modification to fit correctly. Customers have used these wires with a variety of engines, including a 350 with electronic ignition and a 1985 Mercruiser 260 350 engine.
Customer Reviews & Ratings
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5 Star
75%
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4 Star
12%
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3 Star
6%
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2 Star
2%
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1 Star
5%
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Pros
- Great price
- Fit a variety of engines
- Length of wires is long and already terminated
- Comes with two coil wires
Cons
- May be too thick for traditional 8mm looms and require modification
Product Price History
Important information
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DKK 309
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Premium quality.
- 10.5mm racing spark plug wires.
- Ready for install out of the box.
- Universal set for SBC & BBC Chevrolet engines.
- Check fitment before purchase.
- Great replacement option for HEI SBC BBC 350 383 454 electronic.

















