Arp stud lot. LIKELY FITS HONDA ENGINE BUT I AM NOT SURE. MIX OF MAIN STUDS AND HEAD STUDS.
ARP M10 x 1.5/1.25 . 5.5in Length ARP Stud (One Stud) - AM5.500-2B
7/16"-14 X 2 1/2" ARP Bolts, Lot of 2 ARP-643-2500
ARP Bolt Lot - 20 Pieces (Brand New)
(12-Pk) SC Parts ARP Stud Kit Cylinder Head Chrome Moly 538928
ARP Stud 11mm x 2.0 5.150in OAL ATP5.150-1LGB
ARP Stud 7/16 x 4.90 Ford Windage Tray RWS-5B