motors 5.7l/350 v8 chevrolet eng 2004-96 vin r vortec gen plus head 2 or 4 bolt ... 1996-94 vin p cast iron 1.94 intake valve late style head caprice impala ss ... roadmaster 1995-87 vin k m t center valve cover bolts 1.94 intake valve late ... style head 1995-86 vin k efi center valve cover bolts 1.94 intake valve both ... style head 1990-85 vin l m perimeter valve cover bolts 1.94 intake valve both ... w/7 bolt holes for exhaust 1.94 intake valve early style head 1986-71 vin l m p 6 8 ... w/6 bolt holes for exhaust 1.94 intake valve 76cc combustion chamber early style ... /379 v8 chevrolet eng 1989-84 diesel 1.968 intake 1.654 van only exhaust valve ... motors 6.5l/395 v8 chevrolet eng 2000-96 vin f s diesel turbo intake manifold ... l4 isuzu eng 1996-94 4ze1 sohc 8 valve passport ihc/navistar 7.3l/445 v8 ihc ...