ARP Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy Volkswagen Starter Aluminum nuts are pre-drilled for

Aluminum nuts are pre-drilled for safety wire to prevent nuts from working loose and causing leaks

This lightweight tachometer measures 2-1/6 diameter and showcases a bright blue

VHF 1/2 Wave Spring Antenna

Increased outer hardened layer thickness (RC 55-60)

ARP Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Big Block Chevy Volkswagen Starter Aluminum nuts are pre-drilled 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 4