Description:

APE heavy duty cylinder studs for the CB500 & CB550.. Heavy duty cylinder studs are necessary to prevent head gasket leakage in high compression engines. Stock studs are made from poor material that will stretch and allow gasket leakage. APE studs are made from heat treated chrome moly, centerless ground, and have rolled threads after heat treat for maximum strength.. There are 2 different size studs. APE part number: CS500H. Replaces Honda Part Numbers: 90033-323-000, 90034-323-000. Check Fitment Below.