Valve spring heat insulating washer, Norton twins (ea)

Valve spring heat insulating washer for all Norton twins and matchless twins 1964+ (each). 4 required per engine with normal cams; only two on the exhaust with a 2S cam and none with a 4S cam BUT check your head first before excluding them.Originally fitted in 1953, if only two are fitted they go under the exhaust-valve cups.
Original part numbers:
H12/16339; 16339; 067845; 06-7845 - valve spring heat resisting washer

  • Stock Code: BT-H12/16339 (R-067845)
  • Shipping Weight: 20 grams
  • 12 Units in Stock

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$1.45

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