Crankshaft thrust washer set for all 1275cc and 1098cc engines w/ 2.00" mains. Always replace the thrust washers with any engine build, and confirm that they are clearanced properly. Too tight or loose and you can have lots of engine damage as a result! Available in standard, +.003", and +.030" for use when special fitting certain crankshafts. 
 
These will not fit 10CG engines (Spridget/Minor) with 1.750" mains.