Vacuum Tap Boost Gauge Adaptor Boost Gauge adaptor For SEAT and compatible vehicles.This adaptor enables connection of a boost gauge to the vehicle's vacuum system for accurate pressure monitoring.Designed for straightforward installation, it integrates with existing vacuum lines to provide .Suitable for use in automotive applications requiring precise boost measurement. Compatibility Disclaimer: This is an replacement part.Any names or model designations mentioned are used solely for the purpose of demonstrating compatibility.