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 inline turbo technology, with a focus on VW/Audi, Honda/Acura, Mazda, Mitsubishi, Toyota and GM Ecotec power plants.
Our Audi S4 sedan holds multiple land speed records on the Bonneville Salt Flats. The same crankshafts, pistons and manifolds we engineer for that environment are what we put into our customers' engines.
4.2 V8, Honda / Acura, Mazda, Mitsubishi, Toyota, GM Ecotec
high-power street cars.
Borg Warner Turbo Supply & Spec
FRP is a Borg Warner Turbo dealer through Area Diesel Service. We size, supply and support turbo systems for serious street and motorsport applications.
Call (630) 377-3774 or email info@fourringperformance.com for current pricing and lead times.
92.8 & 95.5 Billet Race Crankshaft
E4340 Chrome Moly billet crankshaft engineered as a true race piece – no production compromises. Aero counterweights and American billet steel as standard.
FRP/Wiseco E85 & Race Gas Pistons
Flow and compression optimized pistons for Audi AAN and 3B engines, proven in our record-holding S4. True 3D domes and aero humps for efficient high-boost combustion.
Trusted Partners
