ARP Cooper 'S' Main Stud Set
ARP MSA33 Cooper 'S' Main Stud Set.
2 Stud Set: 6x Chrome-moly steel 220,000 PSi aircraft spec studs. 6x ARP 12 point nuts and washers.
4 Stud Set: In addition to the 2 stud set you also get 2x Swiftune shorter studs for 4 bolt cap, 2 more ARP 12 point nuts and washers (total 8 studs, washers and bolts). Suits Cooper S cylinder block only.