AEM Boost Digital Gauge 30-50 psi 21300R-O Allows clearance for the alternator

Allows clearance for the alternator belt no matter where the alternator is mounted

30 in Wide

1973-1988 Chevrolet Caprice

Spools are substantially lighter than conventional cast iron carriers

Fully Adjustable Junior Helmet

AEM Boost Digital Gauge 30-50 psi 21300R-O Allows clearance for the alternatorProduct Description: Boost Gauge 30 50 psi Electric Digital 2 1 16 in Diameter Black White Face Sold Individually AEM's mission is to create industry leading products to take your project to the next level. AEM's wideband air fuel gauge line is a world renowned product found in everything from sporty daily drivers to full blown race cars. Our water meth injection systems, gauges, digital dashes, and fuel system products follow that same path.