but a deeper insight into the boosted system on a global level

The ProPort was a result of over 25 years of Blow Off Valve manufacturing experience and 12 months of internal development

Milspec hard-anodized valve guide and stem

Suitable for certain Abarth

BOV Race Port Gen-V Supercharger - Blue JR42 but a deeper insight intoThe Race Port is famous for being an amazingly small and light BOV for supercharged competition level engines. Featuring our unique collar design and internal flow structures, it is 50% lighter and 25% smaller than the competition while flowing 330 CFM making it the highest flowing BOV of its type on the market. The supercharger specific Race Port features a soft spring so it can stay open at idle, when the supercharger is still producing boost.