This Proform 141-884 valve cover breather is 2.500 inches tall with a raised Chevrolet Bowtie logo emblem on the top. This breather is an officially licensed Chevrolet Performance part.

Emissions:
This product is legal only for off-highway use (except in CA or states that have adopted CA emission standards), racing use, or for use on pre-emission-controlled motor vehicle/engines (pre-1966 domestic vehicles certified to federal standards and all pre-1968 foreign vehicles), per manufacturer's application guide.