ARP Stainless Steel Stud & Nut Kit - (16) 8mm x 1.25" x 38mm GBCSI rotates 360 degrees for ease

rotates 360 degrees for ease of intallation/sampling

As part of their extensive quality control process

2011-2016 Ford Mustang

1984-1995 Chevrolet G20

Accurate AFR data is critical when tuning an engine

ARP Stainless Steel Stud & Nut Kit - (16) 8mm x 1.25" x 38mm GBCSI rotates 360 degrees for easeARPs 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: Stud 8 mm x 1. 25 Thread 1.