Moroso Ultra 40 Spark Plug Wire Set for BBC HEI 8.65mm Black 73712

Moroso Ultra 40 Spark Plug Wire Set for BBC HEI 8.65mm Black 73712

The Moroso Ultra 40 Spark Plug Wire Set is engineered specifically for Big Block Chevy (BBC) HEI applications, offering superior performance and durability. With a robust 8.65mm diameter, these wires provide optimal conductivity and minimal resistance, ensuring that your engine receives the maximum power available. Designed for enthusiasts and professionals alike, this wire set significantly enhances the ignition system's efficiency, resulting in improved engine performance and responsiveness.

Constructed with high-quality materials, the Ultra 40 wires feature a special silicone insulation that can withstand extreme temperatures and harsh environments. This insulation not only protects the wire from heat but also minimizes electromagnetic interference (EMI), ensuring a cleaner spark and more reliable engine operation. The result is a set of spark plug wires that not only performs great but also stands the test of time.

FITMENT: This spark plug wire set is specifically designed for Big Block Chevy (BBC) engines utilizing the High Energy Ignition (HEI) system. Compatibility is ensured for various performance applications, making it an ideal choice for race cars, hot rods, and street performance vehicles.

Key Features & Benefits

• 8.65mm diameter wire for increased power delivery and reduced resistance
• High-temperature silicone insulation withstands extreme conditions
• Low electromagnetic interference (EMI) for cleaner spark
• Engineered for compatibility with Big Block Chevy HEI applications
• Durable construction for long-lasting performance
• Easy installation process with pre-terminated ends

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 60-day free returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.