ARP 154-4301 – Cylinder Head Stud Kit, Pro Series, 12pt, SBF Heads w/ BMP Aluminum block & World Manowar Aluminum & Iron Blocks(PRE 2018)
Small Block Ford heads with 1/2″ bolt holes used with BMP Aluminum block & World Manowar Aluminum & Iron Blocks(PRE 2018) with bolt hole threads recessed .500″ down from the deck(All Black Oxide)