ARP BB Chevy Stainless Steel Complete Engine Fastener Kit - 12 Point 4704323-20- XL This power harness contains everything

This power harness contains everything you need to power your MAC3

as well as red and blue anodized

160 in Orifice

3/8"-24 original equipment style studs require a 7/16"-14 tapped hole in the head

ARP BB Chevy Stainless Steel Complete Engine Fastener Kit - 12 Point 4704323-20- XL This power harness contains everythingARPs 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