ARP Pro Series Connecting Rod Bolt Kit - 3/8 in Bolt - 1.6 in Long - ARP2000 - Universal Rods - Pair 13-RS1-B which is the most common

which is the most common in use at this time

Two speedfit pockets and one top compartmentalized pocket

NOT INCLUDED WITH 1633 SERIES HEADERS)

Two primary options: a 12 3/4-inch flywheel (153 teeth) where the nose cone will have two attachment bolt holes across from each other (inline) and a 14-inch flywheel (168 teeth) where the attachment bolt holes will be offset (diagonal)

ARP Pro Series Connecting Rod Bolt Kit - 3/8 in Bolt - 1.6 in Long - ARP2000 - Universal Rods - Pair 13-RS1-B which is the most commonARPs 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: Connecting Rod Bolt Kit Pro