ARP Pro Series Head Bolt Kit - SB Chevy - Cast Iron OEM, BRODIX -8, -10, -11, -11Xb Heads - 12 Pt. Heads Spark Plug It’s smaller

It’s smaller

and heel guard reinforcements

560 in Bore

Aluminum Plate / Steel Gears

If you place demands on your engine

ARP Pro Series Head Bolt Kit - SB Chevy - Cast Iron OEM, BRODIX -8, -10, -11, -11Xb Heads - 12 Pt. Heads Spark Plug It’s smallerPro Series Bolts are rated at 190, 000 PSI and are available only with 12 pt. Heads. Most Pro Series applications have undercut short bolts to help eliminate head gasket failure. Kits include parallel ground washers. ARPs 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