Compatible with: For Honda FourTrax 300 TRX300 1988 – 2000 For Honda Rancher 350 2×4 & 4×4 (TRX350TE / TRX350TM / TRX350FE / TRX350FM 2000 – 2006) For Honda Foreman 400 4×4 (TRX400FW 1995 – 2003) For Honda Foreman 450 4×4 (TRX450S & TRX450ES 1998 – 2001) For Honda Foreman 450 4×4 (TRX450FE / TRX450FM 2002 – 2004) Dimensions: Intake Side Inside Diameter: 1-1/4″ (32.5 mm) Intake Side Outside Diameter: 1-9/16″ (39.5 mm) Air Cleaner Mount Outside Diameter: 2-1/8″ (54 mm) Air Filter Mount Inner Diameter: 1-15/16″(49.8mm) Kit includes: 1X Carburetor, 1X Fuel Filter, 1X Spark Plug, 1X Air Filter, 1X Oil Filter as shown in the picture.