Authorized Distributor and Service Center for Hartzell Engine Technologies and Stewart Warner-South Wind Combustion Aircraft Heaters and their components: heaters, ignition assemblies, blower assemblies, dc motors, brushes, bearings, spark plugs, blower wheels, fuel pumps, fuel pressure regulators, gaskets, grommets, and AN/MS hardware... Harold Haskins, Inc. is also a Authorized Distributor for ALL of Hartzell Engine Technologies other products such as Carburetors, Servo/Flow Dividers, Fuel Pumps, Starters, Voltage Regulators, Alternators, and Magnetos, and related kits.