ARP BB Chrysler Head Bolt Kit - 426 HEMI 29024BK Designed with a full flow

Designed with a full flow radius transition from port opening to AN 37

1978-1980 Fiat Brava

Spacer works with most Holley 4bbl

1969-1972 Chevrolet Kingswood

ARP BB Chrysler Head Bolt Kit - 426 HEMI 29024BK Designed with a full flowARPs 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 Pro