Peterson Fluid Systems Breather 1-Way Vacuum - Pop Off Valve w/ Filter and -12 AN Weld Bung 1034103 Not that too many race

Not that too many race cars are sitting in Death Valley

Engine Gasket Kit

and marine engines

Gasket Bowl Cover

Peterson Fluid Systems Breather 1-Way Vacuum - Pop Off Valve w/ Filter and -12 AN Weld Bung 1034103 Not that too many raceBreather 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