ManufacturerPart : 8504.
AUTOMETER 4403 Ultralite Boost
Autometer Mech. 52mm Boost Gauge with Silver Face - Universal
AutoMeter 6104 Cobalt 52mm 0-35 psi Mechanical Boost Gauge
AUTOMETER 3401 0-20/0-30 Turbo Boost
AutoMeter 8404 Factory Match Ford 52.4mm Mechanical 0-35 PSI Boost Gauge
AutoMeter 2601 Z Series 52mm 20 PSI Mechanical Boost Vacumm Gauge
