Triumph 6T T110 TR6 Pre-Unit piston rings 650 size .020 20 over Grant 71.5MM Ring set Keihin but the spark tends to

but the spark tends to diminish after the coils are heated

Manufacturer Part Number: W-955

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Triumph 6T T110 TR6 Pre-Unit piston rings 650 size .020 20 over Grant 71.5MM Ring set Keihin but the spark tends toYou are bidding on a brand new size 20 over Piston ring set for all Triumph 650 Pre Unit twins 6T Thunderbird, T110 Tiger TR6, 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