Track Tested, Street Proven

The Temple of Turbocharged German Performance

Four Ring Performance Engineering is your one-stop-shop for high performance and racing engine design and construction. We specialize in German Turbo and NA technology, with a prominent focus on Audi/VW engines.

1150+Wheel Horsepower Proven
25Years of Development
Audi and VWPerformance Engines
Bonneville Program

Our Audi S4 sedan holds multiple land speed records on the Bonneville Salt Flats. The same crankshaft, pistons and manifolds we engineer for that environment are what we put into our customers' engines.

Platforms
All Audi & VW engines — I5, VR6, DAZA, 2.7T, 3.0T, 4.0T, 4.2, W12
Built For
Endurance racing, time attack, standing mile, high-power street
Borg Warner Turbo
Turbocharging

Borg Warner Turbo Supply & Spec

FRP is a Borg Warner Turbo dealer. 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.

Billet Crankshaft
Flagship Hardware

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.

View crankshaft details

FRP Wiseco E85 Piston
Pistons

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.

Explore piston lineup

Trusted Partners

034 MotorsportsWisecoK1FerreaSupertechApikolARPLovefabPauter