Inside Diameter (in):
0.550 Inch
Inside Diameter (mm):
14mm
Outside Diameter (in):
0.811 Inch
Outside Diameter (mm):
21mm
Thickness (in):
0.450 Inch
Step Depth (in):
0.375 Inch
Valve Spring Outside Diameter (in):
0.811 Inch
Valve Spring Outside Diameter (mm):
20.599mm