Aeroflow high torque starter motors are serviceableand manufactured from aluminium with a multi-angle mounting block that allows different mounting positions to clear multiple header and oil pan configurations. The 2kw / 2.7hp starter is recommended for 400cu + engines and up to 15:1 compression ratio it utilizes a 2.86:1 gear reduction. It isalso slightly longer in lenght than the 1.9hp starter. Aeroflow starter motors have high heat resistance and are powdercoated black for extra corrosion protection.