Socket Size(s) : 12mm 12pt, 4mm Allen. For BMW 2.5L (M50). For BMW 3.0L (S50US) & 3.2L (S52US) inline 6. - Head Style: 12-Point Nuts. - Sold as a Kit. Head and Main Studs. and more.
ARP Head Stud Kit 153-4001; Hex Stud Chromoly for 89-95 Ford Super Coupe 3.8L
ARP Head Stud Kit 152-4001; Hex Stud Black Chromoly for Ford 240-300 inline 6
ARP Head Stud Kit 208-4304; 12pt Stud Blk Chromoly for 97-01 Honda 2.2L VTEC
ARP Head Stud Kit 203-4201; 12pt Stud Black Chromoly for 81-90 Toyota 2.4L (22R)
ARP - ARP Head Stud Kit - 204-4302
ARP HEAD STUD KIT 141-4202 DODGE 2.0L DOHC NEON BLOCK 4667642 HEAD 4667086