ARP High Performance Series Connecting Rod Bolt Kit - 3/8 in Bolt - Chromoly - Big Block Chevy - Set of 16 RRP6100-DSP 33 in Rectangular Port

33 in Rectangular Port

and 1/4 flanges (some models use 3/8" flanges)

free-flow design for maximum flow and power

Trans-Dapt Performance "Twist-In" Style Breather Cap

Extends life of stock valvetrain assembly

ARP High Performance Series Connecting Rod Bolt Kit - 3/8 in Bolt - Chromoly - Big Block Chevy - Set of 16 RRP6100-DSP 33 in Rectangular PortARPs 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