UNIVERSAL FIT BOVs All Turbosmart BOVs are made out of tough and durable billet aluminium and offer a host of features designed to give them superior flow and performance. Turbosmarts Universal Fit BOVs have been developed to fit most popular makes and models and come supplied with pictorial fitting instructions on a CD. Race Port Part Number (Blue): TS-0204-1001 Part Number (Sleeper): TS-0204-1002 DESCRIPTION: With an oversize 52mm inlet, the Race Port is Turbosmarts largest and highest-flowing blow-off valve, outflowing all competitors in its class. APPLICATION: Lightweight and compact, this product is ideal for high horsepower, turbo or supercharged racing applications. SUPPLIED WITH: Quick-release V-Band Clamp, Aluminium Weld Flange.Download fitting instructions here