Spark plug wires, 8.8mm, yellow wire, vari-angle boots, copper core, universal, 4-cylinder, pair - Whether your motorcycle is a 2 or 4-cylinder, or has single or dual spark plugs, these Accel 8.8mm universal wire sets will work for you. These 8.8mm universal wire sets are available with yellow or black wires in copper or suppression-type cores for great performance and reliability. Accel 8.8mm universal wire sets include pre-terminated spark plug ends with either 90 degree or pliable, variable angle heavy-duty boots. They also include an easy-to-install hardware kit with brass locking terminals and boots for male and female-type coil ends, plus instructions.