ARP Pro Series Head Bolt Kit - SB Chevy - Cast Iron OEM, BRODIX -8, -10, -11, -11Xb Heads - 12 Pt. Heads 121003 1 in Webbing

1 in Webbing

166 lb/in Spring Rate

Made with Flame Retardant Foam Padding

Steering Box to Pump

18 x 24 x 23 in Trapezoid

ARP Pro Series Head Bolt Kit - SB Chevy - Cast Iron OEM, BRODIX -8, -10, -11, -11Xb Heads - 12 Pt. Heads 121003 1 in WebbingPro 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