This bronze thrust washer fits all Triumph 650 and 750 c.c. unit twin cylinder motorcycles from 1963-83 such as T120 Bonneville, TR6 Tiger, TR7, T140, Trophy etc). These are also found in Triumph and BSA triples such as the BSA A75 and Triumph Trident T150 and T160. OEM # 57-1607. Sold individually. Made in the USA.