ARP Head Stud Kit Ford 2.3L 4 Cylinder Eco-Boost SF52413 Because there are fairly wide

Because there are fairly wide tolerances in factory bolt holes

C3-R5 Valve

racing is still a dangerous sport

Catalytic Converter

spark plug wire retainer cap with screws

ARP Head Stud Kit Ford 2.3L 4 Cylinder Eco-Boost SF52413 Because there are fairly wideARPs 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 12 Point