ARP 1/4-20 x 3.250 12pt black oxide bolts. PART TYPETools & Hardware. MANUFACTURER PART NUMBER640-3250.
ARP M12 x 1.50 x 90 12pt Black Oxide Bolts (5/pkg) 674-1010
ARP M10 x 1.50 x 45 Hex Black Oxide Bolts (5/pkg) 662-1006
ARP M12 x 1.75 Thread Cleaning Tap 912-0016
ARP M8 x 1.25 - 12pt Nut - Single Piece 300-8310
ARP M12 x 1.25 12pt Nut Kit (Small Collar) 300-8308
ARP M12 X 1.25 12pt Nut Kit (Pack of 10) 300-8337
