a-team performance tall fabricated aluminum valve covers compatible with big block bbc chevy 396 402 427 454 black a-team performance a-team performance tall fabricated aluminum valve covers compatible with big block bbc chevy 396 402 427 454 black<br><br>a-team's valve covers provide a clean and unique racing aesthetic that only fabricated aluminum can provide, and their increased height allows for added clearance for high-performance camshaft and rocker arm set-ups.<br><br>in addition to look and clearance, these covers are made of 6061-t6 aluminum for a strong, yet lightweight, composition. they've also been designed with a 1/4" rail for a guaranteed seal with the cylinder head. complete with mounting hardware, you'll have everything you need to install these beautiful covers on your engine. requires a 1.25" od grommet (not included).<br><br>specifications<br>mounting style - perimeter-bolt<br>height tall - 3.5"<br>top style - plain<br>cover material - fabricated aluminum<br>rail thickness - 1/4"<br>rail material - billet aluminum<br>baffled - yes<br>gasket included - no<br>grommets included - no<br>mounting hardware included - yes<br>quantity - 2<br><br>compatible with<br>chevrolet big block v8 gen. ii (mark iv)<br>6.5 l / 396 in<br>6.6 l / 402 in<br>7.0 l / 427 in<br>7.4 l / 454 in<br><br>