Bilt Racing Service BRS Motorsports AOS Adapter MY97-02 Boxster and MY99-01 996 M96

The Bilt Racing Service Motorsports AOS adapter allows for the installation of the 2002 and later 996 3.6 Motorsports AOS for 3-chain M96 engines to 97-02 Boxster and 99-01 996 models with 5-chain engine. Reduces engine smoking caused by extreme driving conditions. Adapter does not include Motorsports AOS, AOS bolts, or AOS vent tube/hoses.