- B5 S4 Engine
- B5 S4 Forced induction
- B5 S4 Turbo Kits
- Borg Warner ko4 RS4 Turbo chargers
Borg Warner ko4 RS4 Turbo chargers
Original KKK K04 turbos as spec'd out for the venerable Audi RS4, brand new from the factory, in stock.
Also a powerful combo for any twin turbo project, each turbo is ultra fast spooling and perfect for any 250hp per side V-motor project.
**Note, due to eratic availability and supplier price changes, price of this product is subject to change without notice**