MC-SPW15 Blue Streak, XXX spark plug wire set. Black, white print

Sold as a set, these Blue Streak XXX spark plug wires are a high-performance upgrade for 2004 to 2006 Sportster models. These 8mm wires are engineered with a suppression core specifically for electronic ignition systems, providing maximum RFI suppression to protect your bike's sensitive electronics. They are a direct replacement for OEM part number 31958-04A. The triple-silicon construction throughout the jacket and insulation ensures these wires can handle extreme engine heat without breaking down. With OEM-style terminals for a secure fit, these black wires with white print offer a durable and reliable connection that exceeds factory requirements, making them an ideal choice for a routine tune-up or a performance boost.