Carburetor Kit / Zama RB-28Pack Size:1Zama RB-28Laser 48077, Laser 40758, NHC 203-5854, Oregon 49-820, Oregon 49-866, Oregon 49-820-0, Prime Line 7-07189, Rotary 9298, Sunbelt RB-28, Sunbelt B1RB28, Tilton ZRB28McCulloch JP-260; MAC 60 and 80 models; Zama C1U-H28, C1U-M16, C1U-M20, C1U-M32, A-C; C1U-M38; C1U-M40 and C1U-M42 carburetors Not compatible with greater than 10% ethanol fuel