This flange is compatible with all ADD W1 Blow off Valve & HKS Blow off Valve
This aluminum flange allows you to install the ADD W1 or HKS Blow off Valve directly into your system with silicone hose or weld-on
- Simple bolt-on installation
- CNC Machined Billet Aluminum Flange
- Limited Lifetime Warranty
- (1) Adapter
Note: ADD W1 or HKS Blow Off valve BOV not included.