Profile: Eastern Technology Corp. deals with aircraft testing equipment. We provide the aviation industry with numerous tried and tested products. Our aircraft timing indicator model E25 is a unique device that locates the relative relationships between the crankshaft, magneto point openings, camshaft and valve timing. Our differential cylinder pressure testers quickly locate worn and cracked rings, defective intake and exhaust valves, scored and cracked cylinders, leaky head gaskets, and worn & stripped spark plug bushings. Our aircraft magneto timing light model E50 is designed specifically for the internal timing and synchronization of aircraft magnetos.