Buffer Kit required to complete installation of part number 3915040 if not fitting the polished hoop.Additional Attributes:GTIN:09332018006127Add-On:N/AProp 65 Yes/No:NoExtended Information:Emissions :CARB EligibleLife Cycle Status:Available To OrderPackaging:Quantity of Each:1Package UOM:EADimension:17 x 13 x 8 inchesWeight:7 PG