The Deluxe Hi-Tork Starter. The most popular Sullivan starter ever! It’s the first choice with RC airplane and nitro boat racers around the world. The Hi-Tork starter is suitable for all sport engines and as its name suggests, is capable of starting much larger capacity engines. Features a machined aluminum drive cone with pulley groove, 2.50″ diameter steel body and yellow end caps. 12 VDC operation, maximum 80 amps. 210 in-oz (148 N-cm) of stall torque. 5500 no load RPM. For most engines up to 0.60 cubic inches (10 cc) and many to 1.20 cubic inches. No. S601.