RAC506 Powerlite Porsche 924 2.0 Turbo, 924 2.5S, 944 Starter This is a counter clockwise unit, for the 924 2.0 normally aspirated application see part no. RAC507 Porsche 924 2.0 Turbo, 924 2.5S, 944 Strong, powerful, offset gear-reduced starter motor, delivering huge cranking torque through a set of steel internal gears. Lightweight, compact & durable this unit starts the engine faster with immense power, whilst drawing less current from the battery.