Peterson Fluid Systems Breather 1-Way Vacuum - Pop Off Valve w/ Filter and -12 AN Weld Bung 1034103 Using MSD's DIS-4 ignition systems

Using MSD's DIS-4 ignition systems on your coil-on-plug Ford has always been a great upgrade

The angled clamp is 15 clockwise from vertical

1978-1988 Chevrolet Monte Carlo 6

Heavy-duty American made gauge with stainless steel case and bezel will not rust

2003-2011 GMC Savana 3500

Peterson Fluid Systems Breather 1-Way Vacuum - Pop Off Valve w/ Filter and -12 AN Weld Bung 1034103 Using MSD's DIS-4 ignition systemsBreather assembly is installed on engine's crankcase in vacuum condition. Valve seals engine from air entering engine, but opens in the event of crankcase pressure, allowing crankcase to vent. Comes complete with 12 AN bung, to weld to aluminum valve cover, and filter. Peterson Fluid Systems is the choice of champions for wet and dry sump oiling systems. Peterson Fluid Systems offers a complete system from their class leading oil pumps to their