ARP Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Small Block Buick Seat Belt & Harness Deals Uses 7/16" hex head for

Uses 7/16" hex head for quick installation and removal of headers

Before use

Plates prevent engine movement and reinforce the front suspension for better handling and increased reaction times

3/8 in NPT Female Return

ARP Main Stud Kit - Hex Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Small Block Buick Seat Belt & Harness Deals Uses 7/16" hex head forARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Main Stud Kit Hex Nuts 2