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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.
Audi I5 Racing Crank Damper
We are proud to bring you the FRP/ATI Super Damper. This is the worlds first true racing crank damper for the Audi AAN and 3B inline five cylinder engines to be for sale to the public. For use on race engines with dry sump oil systems.
Bonneville Audi S4 Project
At 956 horsepower, 599 foot pounds of torque and 32 pounds of boost, our Audi S4 seeks the title for World's Fastest Audi. Read more
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