ARP BB Chevy Main Bolt Kit - Fits 2-Bolt LY23171 An O-ring seal and two

An O-ring seal and two chrome-plated socket head cap screws are included

multi-needle

2-1/2 in Pipe Diameter

1-Piece Rubber Gasket

Phantom 200 Stealth System

ARP BB Chevy Main Bolt Kit - Fits 2-Bolt LY23171 An O-ring seal and twoARPs 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: Main Bolt Kit High