ARP Bolt Kit - 12 Point (5) 5/16-18 x 1.000 Simpson Hybrid Helmet Anchors Sets of 12 include stainless

Sets of 12 include stainless washers

Shoes are SFI 3

Lock Washers / Nuts Included

3 Rated Arm Restraint D-Rings and Clip-On Tethers

There are many different tools that can be used for measurement

ARP Bolt Kit - 12 Point (5) 5/16-18 x 1.000 Simpson Hybrid Helmet Anchors Sets of 12 include stainlessARPs 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: Bolt 5 16 18 in Thread 1 in