What Is A 12-Valve Cummins (And How Is It Different From A 24-Valve?)
But among Cummins' 1990s offerings, the 12V designation is pretty important, as it refers to the sort of 12-valve engines ...
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New Chevy Small Block crate engine has 405 hp, endless possibilities
A pair of all-new, aluminum valve covers caps off the new crate engine, giving it a distinctive, premium appearance. Chevrolet Performance offers the ZZ6 crate engine in Turn Key and Base versions.