Start motor.ST-3510, Hi-Perform.G/R 12V - 1.7kW, 11k, Hi-Performance type, 4 terminal. Solenoid see ST-3510 for applications. Delco 10MT Hi-Torque type = ST-3510, Same fixed low torque type = ST-3510, Fits: Small Block or Big Block V8 Engines w/ 168-Tooth Flywheel