--highly polished heavy large billet aluminum breather, nicest we have seen!
--measures: 4" long x 2 1/4" wide x 2" tall
--1" tube for 1 1/4" holes in valve covers fits chevy, ford, mopar valve cover with 1 1/4" hole
--these are an extremely tight fit into valve covers, use a little oil when installing. tight fit ensures the breathers will not turn or come out when engine is running.
--washable filter element inside (unscrew 2 screws at bottom of breather as shown in pics)
