If your classic Ford V8 engine is an all-out powerhouse, if you and your classic Ford do some pretty hardcore racing, or if your classic Ford engine has been otherwise highly modified for maximum output, then this is the ultimate starter you will need: The Ultra Torque Starter by PowerMaster! This particular starter has been specifically designed for high-torque and high-speed starting requirements. It has been optimized for starting up engines with an over 18:1 compression ratio and high-cranking speeds. 4.4:1 Gear Reduction Ratio Ideal for engines with OVER 18:1 Compression Ratio 2.5 KW and 3.4 HP output Machined aluminum adjustable block Water and corrosion resistant USA Made! If your classic Ford V8 engine is an all-out powerhouse, if you and your classic Ford do some pretty hardcore racing, or if your classic Ford engine has been otherwise highly modified for maximum output, then this is the ultimate starter you will need: The Ultra Torque Starter by PowerMaster! This particular starter has been specifically designed for high-torque and high-speed starting requirements. It has been optimized for starting up engines with an over 18:1 compression ratio and high-cranking speeds.