ARP 3/8 to 5/16-18 x 1.750 Stepped Header Stud ARPAJG1.750-1G

Stud - 3/8-16 and 5/16-18 in Thread - 1.750 in Long - Stepped - Chromoly - Black Oxide - Universal - Each

Fasteners, Engine Fastener Kits, Exhaust Manifold/Header Fastener Kits by ARP