• Not compatible with Chevrolet
the manifold delivers a broad usable powerband that complements a wide range of Oldsmobile big block combinations
and balanced power throughout the 1500-6500RPM operating range
RPM-based advance curve is preferred over a load-based vacuum advance curve
and 368 V8 engines in carbureted applications
Chevy Small Block Short Bolt Fabricated Aluminum Valve Covers with Breather Holes - Clear Anodized Valley Cover • Not compatible with ChevroletChevy Small Block Short Bolt Fabricated Aluminum Valve Covers with Breather Holes Clear Anodized for Sealing, Clearance, and Engine Bay Detail These Chevrolet Small Block Perimeter Bolt valve covers are built around the details buyers search for most: fitment, valve cover height, material, finish, ventilation, and sealing. The tall profile, perimeter bolt mounting style, and plain top style help match the cover to the correct engine build and