ARP SB Ford Stainless Steel Head Bolt Kit - 6 Point 15001904 earning it the GC-LB classification

earning it the GC-LB classification by the National Lubricating Grease Institute

The best part about this whole system

the ST5 Kart is homologated to the Snell K 2020 standard

1958-1958 Mercury Medalist

1985-1989 Merkur XR4Ti

ARP SB Ford Stainless Steel Head Bolt Kit - 6 Point 15001904 earning it the GC-LB classificationARPs 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: Cylinder Head Bolt Kit Hex