ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Nissan 4-Cylinder 202-4206 Socks Edge of seat is stepped

Edge of seat is stepped and extrusion is offset to outside so inside of seat is completely smooth

service kit for 13201

assuring smooth operation at all speeds

Internal Components Are 409s Stainless

ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - Nissan 4-Cylinder 202-4206 Socks Edge of seat is steppedARPs 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 12