ICT Billet Valve Cover Spacer - 0.5 in Tall - Small Block Chevy (Pair) COR455546-1 They are a drop-in replacement

They are a drop-in replacement for 1987 and later blocks that accept factory roller camshafts

Ford / Mazda 2001-11

940 in Rectangular Port

See 146032-KIT or 146032B-KIT for billet rail option

Ford 2005-09 Mustang

ICT Billet Valve Cover Spacer - 0.5 in Tall - Small Block Chevy (Pair) COR455546-1 They are a drop-in replacementProduct Description: Valve Cover Spacer 0. 500 in Tall Aluminum Natural Small Block Chevy Pair ICT Billet helps take the guesswork out of LS engine swap projects. With both individual components and complete vehicle specific kits, their line of American made solutions covers everything from mounting brackets and oil pans to valve covers and wiring harnesses, all designed to help make LS and LT engine swaps easier, whether it's into a classic Bel Air,