ARP Chevy Head Stud Kit - 6 Point 41199 4 AN Male to 1/16

4 AN Male to 1/16 in NPT Male

creating a forced air cooling system designed to fit the grill opening of most template body noses

SAE J1171 and United States Coast Guard Requirements for Ignition Protection and Fire Resistance

ACCEL has been a leader in performance fuel and ignition systems

Compare this with standard replacement joints

ARP Chevy Head Stud Kit - 6 Point 41199 4 AN Male to 1/16ARPs 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: Cylinder Head Stud Kit 11