This cart comes with 2 engines. Stock engine CMXX 6.5 HP which has a stage 1 kit. Electric start.Completely stock engine ran 23-25mph. After stage 1 kit installed ran 30-31 mph. Second engine is a new PREDITOR 212 which was completely built to a STAGE Not electric start.To many modifications to list. Ran 40-42 mph. Preditor engine has no time on it other than testing.To fast for grand kids so took it off. Lots of chrome,fueloil catch can,and LED light bar. Im 61 and fit very comfortably. Very reliable cart and lots of fun and speed if you want to go fast.