Moroso 73818 Ultra 40 Spark Plug Wire Set, Black

The Moroso 73818 Ultra 40 Spark Plug Wire Set is designed for under-header applications on small-block Chevy engines. This kit features 8.65 mm spiral-core wires with black sleeving for a clean, purpose-built appearance.

Each wire set uses 90-degree spark plug boots and HEI-style terminals. The configuration is intended to support installations where under-header routing is required, helping provide a tailored fit for the specified application.

Moroso Ultra 40 construction combines spiral-core wire design with sleeved insulation in a complete spark plug wire set. Verify engine and ignition-system requirements before installation to confirm suitability.

Features:

• Brand: MOROSO
• Part Number: 73818
• Wire Type: Spiral core
• Wire Size: 8.65 mm
• Sleeving: Black
• Boot Angle: 90-degree plug boots
• Terminal Style: HEI-style terminals
• Application: Under-header, small-block Chevy
• Product Line: Ultra 40
• Product Type: Spark plug wire set