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Spectre Performance 4276
Oil Breather Cap; Spectre's Valve Cover Breather Push-in features an internal baffle to prevent oil splash and provide superior ventilation. This valve cover breather was designed for 1-1/4 inch breather holes.
EngineQuest EQ-OC350N
Chevy 305, 350 Screw In Oil Cap; Chevy 305/350 Valve Cover Oil Breather Cap.
Spectre Performance 4277
Oil Breather Cap; Spectre's Valve Cover Breather Push-in features an internal baffle to prevent oil splash and provide superior ventilation. This valve cover was designed for 1-1/4 inch breather holes, with a 1 inch outside diameter neck.
