ARP Cylinder Head Stud Kit - 12 mm Studs - 12 Point Nuts - Chromoly - Black Oxide - Mitsubishi 4-Cylinder SP130BK They also make a great

They also make a great heavy duty standard replacement balancer

Dougs Headers

check ball retainer

Heat Treated

OE- Style Exhaust Hanger Rods

ARP Cylinder Head Stud Kit - 12 mm Studs - 12 Point Nuts - Chromoly - Black Oxide - Mitsubishi 4-Cylinder SP130BK They also make a greatARPs 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