Heavy duty cylinder studs are necessary to prevent head gasket leakage in high compression and turbocharged engines. Stock studs are made from poor material that will stretch and allow gasket leakage. The studs are made from heat treated chrome moly, centerless ground, and have rolled threads after heat treat for maximum strength. Heavy duty studs for performance motorcycles.
#22-25-500H - Honda CB500/550/650 fours
#22-25-750H - Honda 750 sohc thru '78
Optional stud installer available (8mm) - #08-25-0 - $25.00