Prima Stage 2 Power Pack for 50cc 2-Stroke Genuine Buddy, Rough House ScootersSPECFICATIONS: Cylinder Kit (70cc)ExhaustRoller WeightsTorque SpringSame as the Stage 1 plus Prima 70cc cylinder kit. A complete overhaul for your buddy. Gives you more on the top and bottom end. A must have for anyone wanting more power for less money.Save 10% by purchasing this kit, as opposed to buying the parts individually. Voids your factory warranty–throw caution to the wind!May require intake modification or a pod-style filter.**NOTE: Not legal for use in California on pollution controlled vehicles. Check local laws before installing.****