Triumph T140 piston rings RING set 750 twins plus .020 76.5MM GRANT USA Made PWK Norton Rear frame loop 06-7152

Norton Rear frame loop 06-7152 stock frame Commando 1970 71 72 73 74 75

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Triumph T140 piston rings RING set 750 twins plus .020 76.5MM GRANT USA Made PWK Norton Rear frame loop 06-7152You are bidding on a brand new size 20 over, Piston ring set for all Triumph 750 unit twins Grant USA Made. Includes everything you see in the picture. These are brand new, never installed, and are quality parts that are proven. Piston ring gap: The new industry standard for British motorcycles is to gap the rings at . 020 New independent lab tests and studies (in the USA and England) show that any gap between . 024 to . 010 is efficient, and does not