ARP Hi-Performance Series Head Bolt Kit - SB Chevy - Cast Iron OEM, BRODIX -8, -10, -11, -11XB Heads - 12 Pt. Heads Firesleeve soft spring cars

soft spring cars

Valve Spring

Round soft toe and cushioned soles

1974-1981 Pontiac Catalina

1972-1975 Chevrolet Bel Air

ARP Hi-Performance Series Head Bolt Kit - SB Chevy - Cast Iron OEM, BRODIX -8, -10, -11, -11XB Heads - 12 Pt. Heads Firesleeve soft spring carsHigh Performance Series Bolts are rated at 170, 000 PSI and available with hex or 12 pt. Heads. 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 Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications.