Racing Power 1955-57 GM Cast Iron Ram Horn Exhaust Manifold H776427XXL a high quality gauge with

a high quality gauge with shock resistant boot

1/4 in NPT Inlet / Outlet

875" ring gear

The accuracy of digital stepper motor gauges is further increased by utilizing a self calibration sequence during power upAuto Meter Gauges are the number one choice of professional racers worldwide

and is suited to customers looking for efficiency improvements with a noticeable but subtle sound level

Racing Power 1955-57 GM Cast Iron Ram Horn Exhaust Manifold H776427XXL a high quality gauge withProduct Description: Exhaust Manifold Iron Natural Small Block Chevy Various Applications 1955 57 Pair Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.