Item Weight:2.38 poundsPackage Dimensions:10.91 x 7.09 x 5.12 inchesOEM Part Number:16100-HC4-013, 16100-HC4-033, 16100-HM3-670, 16100-HM3-L00, 16100-HM3-L01Product Details: Size: Inner Diameter (intake side): 33mm Outer Diameter (intake side):39mm Inner Diameter (air filter side):50mm Outer Diameter(air filter side): 54mm Package Include : 1xCarburetor, 1xAir Filter, 1xOil Filter, 2xFuel Filter(You will receive what you see in the pictures) Plug and Play : 1988-2000 TRX300 FourTrax 1988-2000 TRX300FW FourTrax 4x4 2000-2006 Rancher 350 all models Modifications Were Needed For Proper Operation 1998-2004 TRX450S TRX450ES 1995-2003 TRX400FW If The Product Is Damaged Due To Shipping Or Installation ,Please Don't Hesitate To Contact Us,We Will Send You New One For Free.Replacement Part Number Carburetor Replace NO.16100-HC4-013, 16100-HC4-033, 16100-HM3-L01, 16100-HM3-L00, 16100-HM3-670, 16100-HM3-671, 16100-HM5-L01, 16100-HM5-850.FIT FORCarburetor With Fuel Filter Air Filter Compatible With Honda TRX300 FourTrax 1988-2000, TRX300FW FourTrax 4x4 1988-2000, 2000-2006 TRX350 all modelsFIT FORCarburetor Can Be Used On 1998-2004 TRX450S TRX450ES, 1995-2003 TRX400FW, But Modifications Were Needed For Proper OperationHigh PerformanceOur Carburetor Designed And Manufactured According To The Quality Standard Of OEM,The Price Is Only Part Of The OEM One.We Promise That Any Product Sold Are Original High Quality , 100% New ,100% Test Before Leaving Factory.Part ParametersMain Jet Installed #130; Main Jet Spares #128, #125; Pilot Jet Installed #45; Air Jet Installed #110; Input Port Size 40mm; Output Port Size 54mm; Choke: Pull Wire