*New!* Top Quality English Made BSA Unit Twins Oil Pump Gasket. If your Rebuilding your BSA or Removing your Oil Pump… we always recommend renewing the Gasket! This Gasket Fits all BSA 500, 650, & 750 Unit Twins (Lightning, Royal Star, Wasp, Spitfire, Hornet, Firebird Scrambler, Etc) from 1962-1972. Please refer to your parts catalog for proper fitment.*****Please note that this Gasket may fit other models that are not listed abouve! Will not work with BSA A7 & A10 Pre-Unit Twins!****Made in EnglandO.E.M Part number is 71-2296, 68-0293 or 68-0939