Edelbrock Billet Aluminum Valve Cover Breather - Black Powder Coat Finish BR40063 or the AC Cobra

or the AC Cobra

5 times normal diameter allowing to install over flanges and sensor threads

It's all about speed

Sturdy ABS snap-together construction keeps fasteners hidden and your gauges secure

Edelbrock Billet Aluminum Valve Cover Breather - Black Powder Coat Finish BR40063 or the AC CobraThese push in style valve cover breathers contain a foam filter element which allows the engine to properly breathe and traps oil vapor and prevents engine compartment contamination. Available polished or with a black powder coated finish to match Edelbrock valve covers. Fits any 1 1 4" diameter valve cover hole. 42133, black powder coated, aluminum push in breather, standard 1. 25" valve cover holes, top un screws base, foam insert Breather, round,