New BSA Singles Oil Junction Block O-Ring. O-Ring replaces Triumph and BSA part number 70-8259, 68-0597 and 68-0598. Measures 7/32" X 11/32". Fits BSA unit singles (B25, C25, B44, etc) from 1965-1970. Also fits Triumph singles (TR25W Trophy) from 1968-1970. Please refer to your parts catalog for proper fitment.
•Made in England
•O.E.M Part number is 70-8259, 68-0597 or 68-0598