With its extremely low-resistance combined with the ability to suppress Electro Magnetic Interference the MSD 8.5mm Super Conductor Spark Plug wire is the ultimate performance wire!

Easily withstands temperatures of up to 2000 degrees and eliminates burned and melted plug wires forever

ProConnect ignition wire sets meet or exceed OE/OES specifications, performance and quality. These cables match the original color and are designed to provide exact cable lengths for a perfect fit in today’s tightly packed engine compartments.

Pre-built and universal Holley EFI spark plug wire kits for your LS Engine!

Street Fire plug wires deliver quality performance at a budget price.

Boots, terminals, separators, tools, sleeving and everything else you might need to finish off that spark plug wire install.