THESE ARE 5/16"-24 FINE THREAD x 2.000" UNDER HEAD TO TIP LENGTH AND FEATURE A 12 POINT HEAD THAT ACCEPTS A 7/16" 12pt BOX END WRENCH OR SOCKET.
21 NASCAR A-1 TECHNOLOGIES ENGINE STUDS 3/8"-24 FINE THREAD x 4.860" LONG ARP
515 NASCAR ARP / A1 TECHNOLOGIES ASSORTED HARDENED WASHERS FOR STUDS BOLTS NUTS
58 NASCAR ARP 1/4"-28 FINE THREAD 12 POINT HEAD HARDENED NUTS FOR ENGINE STUDS
118 pcs NASCAR ARP 12pt HEAD 10-24 BOLTS x .375" LONG HENDRICK MOTORSPORTS A1
50 NASCAR ARP 5/16"-24 FINE THREAD 12 POINT HEAD HARDENED NUTS FOR ENGINE STUDS
38 pcs NASCAR ARP 12pt HEAD 1/4"-28 FINE THREAD BOLTS x .500" LONG A1
