MORTCH New GY6 50cc 125cc 150cc AC CDI Unrestricted 11,000rmp for Scooter Moped ATV Special Features: CDI Size: 4.1 x 3.5 x 3.7cm Material Type: Plastic With a 6 pin rounded connector as pictured Suitable for: today's popular medium to large engine sizes of 50cc, 90cc, 125cc, and 150cc