SAAS 66mm (2 5/8") Black Muscle Series Boost Gauge (30inHg-20PSI) - SG-TB258B FD2227 Adhesive back for easy installation

Adhesive back for easy installation Twin L

5L Engines - (#8830)

Applications include: Holden/Opel Astra TS

Not all roads are flat - believe it or not

SAAS 66mm (2 5/8") Black Muscle Series Boost Gauge (30inHg-20PSI) - SG-TB258B FD2227 Adhesive back for easy installationA boost gauge is an instrument that is used to show the amount of pressure a turbo charger or super charger is producing. Typically, a turbo or super charger system is designed to give the maximum benefit at a particular amount of boost pressure. By monitoring the boost gauge, you are able to keep the vehicle's engine components in the proper power range to achieve the most performance from your engine.