4.3L Cylinder Head Assembly - New

2000-2015 MCM 4.3L & 4.3L MPI, 4.3L 4V Crate Engines, 4.3L 4V Plus Series, 2000-2015 4300 LU3 automotive, truck & industrial. All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the cylinder head with stainless steel valves featuring seats treated with a cobalt-chromium alloy for extreme durability. This cylinder head is for applications using roller rocker arms.