A by-pass valve with the COBB LF BPV's small size and light weight can withstand very high boost pressure without leaking. With its new design, the control volume is 30% lower, allowing for incredibly quick boost venting when activated. Innovative engineering and careful manufacturing combine to create a small package that can fit into a small engine bay. The LF BPV's moving parts have less inertia and may react more quickly than heavier components in conventional bypass valves because of the components' low weight. This redesigned design makes use of a vacuum port with a Banjo fitting that allows for 360-degree hose routing adjustment. Compared to NPT ports, this results in a simpler installation process and fewer potential leak spots.
Additionally, the piston o-ring seal in the new design has an expanded diameter that allows for greater seal compression and less wear. The improved spring and seal design, which offers a 60% increase in clamping force at peak boost while preserving similar behavior at idle and transient loads, eliminates the need for adjustment of the spring seat. 006380336450
EMISSIONS50 State Legal.
This part is legal for sale and uses on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number: D-660-9, D660-36, D-660-83
- Subaru LF BPV WRX (2002, 2003, 2004, 2005, 2006, 2007)
- Subaru STI (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017)
- Subaru FXT (2006, 2007, 2008)
- lightweight bypass valve
loaded with features and reliably holds high levels of boost without leaks.
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