The Garrett GVB-50A 50mm VTA blow-off valve in black is a vent-to-atmosphere valve sized at 50mm for turbocharged intake systems that use an external venting BOV. It releases boost pressure between the turbo and throttle body, helping prevent compressor surge when the throttle closes. Choose this black GVB-50A when a 50mm VTA valve is required for your turbo plumbing layout.
Garrett GVB-50A 50mm VTA BOV - Black