ARP Main Stud Kit - GM LT1 6.2L K9007 Tool properly cradles the spark

Tool properly cradles the spark plug to consistently set plug gaps using a standard feeler gauge

Top Fuel Motor Plate

ARP High Performance Series Main Studs eliminate main cap walk and protect the treads in cylinder block

A 409 Stainless Steel free flowing muffler is used for maximum flow and performance

ARP Main Stud Kit - GM LT1 6.2L K9007 Tool properly cradles the sparkARPs 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: Main Stud Kit 12 Point Nuts