Triumph T120 TR6 piston rings 650 size .080 80 over Grant USA Made 73MM Ring set Norton This is standard size

This is standard size

This product is New - Norton Timing Indicator plate and rivets Commando MK2 MK3 06-0763 06-0663

UK and USA made

This product is New - Norton 750 Thick

Triumph T120 TR6 piston rings 650 size .080 80 over Grant USA Made 73MM Ring set Norton This is standard sizeYou are bidding on a brand new size 80 over Piston ring set for all Triumph 650 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