Push-In Air Breather Cap 

The top of each air breather cap is embossed handsomely with Ford RACING, COBRA, or MUSTANG emblems. The perfect complement to your valve covers.

• 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.

• Butyl benzyl phthalate (BBP)d
• Polybrominated biphenyls