Triumph / BSA Singles Rocker Box Cap Fiber Washers (2) - 70-1577 - C15 / B25 / B44 / B50

English Made Triumph & BSA Unit Singles Rocker Box Cap Fiber Washer Set. If your Rocker Box caps have a slow pesky oil leak, put a stop to it with these great quality Fiber Washers! Just install and away you go! Inner Diameter measures 1 1/2" & Outer Diameter measures 1 3/4". Fits a wide range of both BSA & Triumph Unit Singles from the 1960's-1970's! Please refer to your parts catalog for proper fitment.

•Made in the UK

•O.E.M Part number is 70-1577, E1577 or 40-0969