ARP Stainless Steel Bolt Kit - 12 Point (5) 3/8-16 x 1.750 20601S 570 exhaust valves these heads

570 exhaust valves these heads move massive amounts of air

works with single and dual carbureted engines

2017-2019 Ford F-450 Super Duty Cab/Chassis-Conventional

2-1/2 in Slot

stop sooner and pack very easily by one person in 4 or 5 minutes

ARP Stainless Steel Bolt Kit - 12 Point (5) 3/8-16 x 1.750 20601S 570 exhaust valves these headsARPs 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: Bolt 3 8 16 in Thread 1. 75