A COMPLETE SET OF BRONZE VALVE GUIDES (MAKE UNKNOWN) FOR JAGUAR  XK ENGINES AS FITTED MK1 2 E TYPE XK ETC. Measured as accurately as I can these range from: IN .503" -.508"  47mm ,   EX  .501" - .506" 49mm     what you see in the photo is what you get . These retail for over £20 EACH  from spares specialists.  SOLD STRICTLY WITHOUT WARRANTY. NO RETURNS.  OVERSEAS BUYERS PLEASE NOTE WILL ONLY BE SENT WITH EBAY GLOBAL SHIPPING PROGRAMME . PLEASE CHECK COST WITH EBAY BEFORE BUYING.