One New Aftermarket Replacement 4″ Brake Band; Drum SetFits Various Yerf Dog Go Karts, Kartco Go Karts, ThunderKarts, Ken-Bar Go Karts and many other brands with 4-3/16″ brake drumsKit Contains:(1) 4″ Brake Band with Pin4″ Brake Band is also called a 4-3/16″ Brake Band (per Jon Bemis). They both are Fits the 4″ Brake Drum.Fits many (Vintage) Mini Bikes; Go Karts.Includes Brake Pin.Steel Band, Bonded Brake Lining (One Piece), Steel Brake Pin with Cable Hole.Band is 7/8″ Wide(1) 4″ Brake Drum