ARP 7/16-20 X 4.250 1/2 12pt black oxide bolts

ARP 12-point rod bolts for engine builds. Stronger than stock bolts for reliable performance.

Key Features

• Heat-treated 8740 chromoly steel — strong and durable for engine applications.
• Black oxide finish — helps prevent rust and corrosion.
• 12-point head — allows for a tighter fit and easier access with a socket.
• 7/16-20 thread size and 4.250 inch length — specific dimensions for proper fitment.
• 1/2 inch hex size — common size for tightening.