ARP GM LS Stainless Steel Complete Engine Fastener Kit - 6 Point 915025 the Stroud system was developed

the Stroud system was developed

375 in Diameter

Inserts have 1/4"-20 threads and are typically riveted to the backside of a panel or bracket with 1/8" rivets

1979-1993 GMC K1500

the Mod Bandit offers the function and style you are looking for

ARP GM LS Stainless Steel Complete Engine Fastener Kit - 6 Point 915025 the Stroud system was developedARPs 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: Engine and Accessory