GReddy Type-R Universal Aluminum Blow Off Valve BOV with Standard Spring

Machined/Cast, 47mm valve, adjustable, 50mm outlet
280-600hp range
BOV gasket, nuts & bolts

for Stiffer Spring use #11900510

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.
Product Name Description Code
Weld-on Mounting Flange Aluminum (Greddy #11900451)
or an 3rd party application specific adapter

may also require p/n GREDDY BLOW OFF VALVE FLANGE - ALUMINUM - (11900451)