ARP High Performance Series Connecting Rod Bolt Kit - SB Chevy 400 Aldan American barbed nipple to accept a

barbed nipple to accept a boost hose and a wiring legend on the back

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5/16-24 and 3/8-24 in Thread

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ARP High Performance Series Connecting Rod Bolt Kit - SB Chevy 400 Aldan American barbed nipple to accept aPremium 8740 alloy chrome moly steel is heat treated to provide a tensile strength in the 190, 00 psi range, making these bolts much stronger up to five times stronger than OEM bolts. ARPs 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