The Temple of I5 & Inline Turbo Performance

Four Ring Performance Engineering is your one-stop-shop for high performance and racing engine design and construction. We specialize in German and Japanese in-line engine technology, be it 4, 5, or 6 cylinder, with an emphasis on turbocharged VW/Audi, Honda/Acura, Mazda, Mitsubishi, Toyota and GM Ecotec power plants. In addition to these inline powerplants, we also service the high performance and racing versions of the Audi 2.7T V6 and 4.2 V8 engines. All of our engine products are 100% custom built for customers who desire a finished product that exceeds in quality, durability and performance that which is available from high volume "cookie cutter" engine businesses.

2012 FRP Audi S4 Bonneville Project

This is our record holding Land Speed race car. It's engine produces over 1000 wheel horse power and is durable enough to stand up under the brutal high rpm treatment of racing at Bonneville.


When you choose FRP Engineering for your engine project you gain access to all of the engine design and building technology and assembly techniques that allow this 136 cubic inch engine to power our S4 to over 250 mph - with reliability.


Whether your engine will be used in drag racing, road racing, land speed racing or just high performance street use, FRP will give you the greatest performance and reliability at the most reasonable cost.


Call or e mail us at FRP when you are ready to exceed your high performance or race engine dreams.


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New FRP/Wiseco E85 and Race Gas Piston

FRP Engineering is proud to announce our all new line of extreme performance Race Gas and E85 Pistons for Audi - AAN and 3B inline five cylinder engines. They are the result of a considerable engineering partnership with Wiseco Piston and have been proven in the FRP Land Speed Record holding S4 sedan.


These are the first "flow and compression optimized" racing pistons for these engines utilizing true 3D dome milling and Aero Humps that interface with the intake valves during overlap to enhance cylinder filling and increase scavenging of burned exhaust gasses.


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