GReddy BLOW OFF VALVE FV-II  has an adapted Floating Valve structure that does not open up when the Surge Tank has negative pressure. For no strong initial load, both quick response under low boost and prevention of the relief under high pressure are together. This is a new generation blow-off valve.  Made in Japan.

Type: Type FV II
Size: 40mm

Gunmetal/Blue, adjustable detent rotary knob, floating valve, revised funnel outlet.

New 360-degree adjustable top hat – to point the. vacuum fitting. in any direction.

Floating Valve design with opposing springs, allows for improved control, response, and idle.

The new top hat design allows for rotating of the vacuum nipple without disassembly of the unit.

80-480hp range

BOV gasket, nuts & bolts

Compatible with standard 2-bolt GReddy BOV flanges and Type-RZ outlet adapters.

Note:
To install this product, the GReddy blow-off valve mounting flange is required.
In addition, please prepare other necessary parts such as piping and hoses.
Weld-on Mounting Flange Aluminum (11900451)
or a 3rd party application-specific adapter