ARP 5/16-24 SS 12pt Nut Kit - (10 Pack) V202201 and standard valve spacing make

and standard valve spacing make this the perfect street head for 350-400ci engines from 1955-1986

Adjustable Speedfit Fasteners

8 AN Hose to 8 AN Female

Most popular upper ball joint used

ARP 5/16-24 SS 12pt Nut Kit - (10 Pack) V202201 and standard valve spacing makeARPs 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: Nut 5 16 24 in Thread 3 8