CYLINDER KIT BOOSTER/BW'S/ROCKET/NEXT/NG/STUNT/SLIDER CAST IRON (ref: 477533)

The S1F cylinder is equipped with a 5-transfer scavenging with booster exhaust port. It offers excellent performance from low engine speeds. The elliptical piston has two chromed steel piston rings which, with a cast iron cylinder, improves durability.