BSA A65 unit 650 piston rings standard ring set Hastings 40 over .040 motorcycle Keihin Manufacturer Part Number: 14-1019

Manufacturer Part Number: 14-1019

This product is New - Triumph Trident Model T150 T150V Replacement Parts Catalog book 1972 99-0955

Manufacturer Part Number: 97-3904

(2) 6839 Grommet

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BSA A65 unit 650 piston rings standard ring set Hastings 40 over .040 motorcycle Keihin Manufacturer Part Number: 14-1019You will get the brand new set of USA made piston rings as pictured. This is a 650 plus 40 size set, we have other sizes available in our store. 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 show more oil loss than normal gaping at . 010 to . 014 or does not show any less