What type of spark plug wire do I need? Matt May 23, 2018 15:43 Follow You need a good quality resistor/ suppression core wire. The stock Harley Twin Cam wires work well. Dynatek also carries quality wire kits. Dynatek does not recommend the use of Nology wires with our microprocessor controlled ignition systems. Related articles How come my motor seems to be harder to start or sometimes kick back? When decelerating, my exhaust pops loudly. How can I fix this with the PVCX? Should I use the VOES on my late model Harley with the Dyna 2000? I want to build a custom Twincam and need to wire the ignition. How do I do it? Comments 0 comments Please sign in to leave a comment.