DynoCams ProductsDucar EnginesBriggs and Stratton EnginesHarbor Freight EnginesClone 13hp EngineEngine ToolsCharger Racing ChassisKarting AccessoriesMeasurement DevicesTillotson CarbsTire PrepLubricants Categories HomeBriggs and Stratton EnginesFlathead EngineAftermarket PartsFilters 00175JR 3.5 x 4 x 2.437 Angled Air Filter, Clone, Flathead $14.45 00177JR 3.5 x 6 x 2.437 Angled Air Filter, Clone, Flathead $16.50 00179JR 3.5 x 8 x 2.437 Angled Air Filter, Flathead $16.60 0020JR 3" x 4" x 1-11/16" Air Filter, Catchcan $16.05 0050JR Filter 3.5 x 4 x 2.062, Flathead $15.00 0080JR Filter 3.5 x 4 x 2.437, Flathead $12.45 0083JR Filter 4.5 x 4 x 2.437, Flathead, Clone $13.75 0084JR Filter 4.5 x 5 x 2.437, Flathead $15.80 125-6TBK Outerwear Prefilter 4" x 6", Black $15.40 125-8TBK Outerwear Prefilter 4" x 8", Black $20.50 14-4TBK Outerwear Prefilter 4.5" x 4" $15.40 14-5TBK Outerwear Prefilter 4.5" x 5", Black $14.25 KN-RX-4040-1 K & N 4" X 4 3/4" EXTREME FILT $89.99