ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - BMC 4-Cylinder 206-4202 HALCP19L They feature an embossed O-ring

They feature an embossed O-ring design for a leak proof seal

Bert / Brinn / Muncie / Saginaw / Richmond

Seller assumes no responsibility for misuse

Does not fit crew cab 2WD with 2-piece driveshaft

ARP Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Black Oxide - BMC 4-Cylinder 206-4202 HALCP19L They feature an embossed O-ringARPs 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