Pull those tough flywheels with ease using this SLP built puller. The strongest and most durable flywheel puller available, its outside diameter measures 3 ¼ inches and its base is 1 ½ inches thick. It is made only for 3 bolt pattern flywheels. For 2 and 4 bolt pattern flywheels, use Universal Heavy Duty Flywheel Puller. This puller is supplied with high quality grade 10.9 bolts: six 6mm short, six 6mm long, and three 8mm long.