Triumph Unit 500 cast piston kit 1967-1974
This piston set is suitable for all 500 Unit Triumph engines, using the "non squish band" head. Available in .020", .040", and .060" oversizes (nominal bore 2.7165"). Includes wrist pins and circlips, We have found this piston set to be more consistent in size and weight than A/E Hepolite pistons of the past. For more information on installation see our tech pages. Order with Grant or Hastings cast piston rings or without rings.