Taylor, 8mm Spiro-Pro universal spark plug wire set. Blue - Universal for use with pre-Twin Cam style coils 989400 Evolution engines make a lot

Evolution engines make a lot of noise inside the rocker cover

All engines come with billet rocker covers

Made from multiple layers of pre-oiled woven cotton gauze material that is mesh screen protected

flush terminals in a molded insulator

Taylor, 8mm Spiro-Pro universal spark plug wire set. Blue - Universal for use with pre-Twin Cam style coils 989400 Evolution engines make a lotIncludes 24" long wires with pre attached 180 (straight) plug boots (with double interlocking connectors) and two 180 (straight) coil boots and connectors. Cut to length required. Spiro Pro core. Compatible with both electronic and points style ignitions. The special spiral wound ferromagnetic core provides resistance, 350 Ohms ft., for electronic ignition systems and increases output. The Spiro Pro core provides over 10 times the power output when