ALLSTAR PERFORMANCE Valve Covers BBC Fab Aluminum w/ Holes ALL26177

ALLSTAR PERFORMANCE Valve Cover - Tall - Breather Holes - Fabricated Aluminum - Natural - Big Block Chevy - Pair.
VALVE COVERS ARE 3-1/2 TALL FROM MOUNTING SURFACE TO INSIDE OF COVER. 1/4 THICK FLANGE. THE GROMMETS INCLUDED WITH THESE VALVE COVERS HAVE A 3/4 ID FOR A PCV VALVE AND THE OTHER HAS A 1 ID FOR A BREATHER.