4 Piston Racing Specializing in cylinder head porting and race engine builds. +1 317 440 6777 http://www.4pistonracing.com/ Company Profile +1 317 440 6777 http://www.4pistonracing.com/Company Profile Contact Us Facebook page Contact Us Facebook page Building a 500hp Naturally Aspirated K24 Engine with 4 Piston Racing 21 April 2020 We stopped by 4 Piston racing and talk to co-owner Luke Wilson about how you can make 500+ horsepower while spinning over 10,000 rpm. Related articles K20C1 Camshaft Testing - Unlocking the RPM, sound, and power we all love in a Honda Racing Engine 1000hp 4 Piston Turbo K24 STREET Engine Build and Dyno 4P Cylinder Head Development 4 Piston Racing