BHJ Dynamics timing wheels have the proprietary ID and bolt pattern for their dampers.
Correct outer diameter for use with factory crank position sensor.
Available with various numbers of teeth for use with different ECUs:
• OEM-style 4 teeth (NA 1995.5-1997) • OEM-style 4 teeth (NB) • 12 teeth • 36-1 teeth • 36-2 teeth • 60-2 teeth
Includes proprietary screws to fit the threaded holes that are pre-made in BHJ dampers.