DynoCams ProductsDucar EnginesBriggs and Stratton EnginesHarbor Freight EnginesClone 13hp EngineEngine ToolsCharger Racing ChassisKarting AccessoriesMeasurement DevicesTillotson CarbsTire PrepLubricants Categories HomeClone 13hp EngineAftermarket Parts ARC-6272 ARC 4.41 Billet Rod, Clone 13hp, Honda GX340/390 $142.45 ARC-6391 ARC Rod Bearing, Clone 13hp, GX340/390 $22.00 ARC-6607-GX3 NS GX340/390 BILLET FLYWHEEL $185.00 CL-2552 Filter Adaptor, Clone 13 HP $19.80 CL-2594 1.3 Billet Roller Rockers, GX390 $219.00 RF-GX390-1250 Rapp 1.250 Pipe, GX390 $39.50