ARP Header Bolt Kit - 12 Point 5/16 x .750 UHL (14) YA0828KARTMM15 13-1/2 in Wide

13-1/2 in Wide

Spindle features a 7° pin inclination with a 1-1/2" per foot upper ball joint taper

Standard plates are 1/2" thick

8 AN Vents

ARP Header Bolt Kit - 12 Point 5/16 x .750 UHL (14) YA0828KARTMM15 13-1/2 in WideARPs 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: Header Bolt 5 16 18 in