1/4" BSP to 1/8" BSP gas tank petcock adapter brass insert Triumph Norton BSA *

You will get the petcock adapter that is pictured. Using a caliper the OD measures 1/2" and the ID measures 3/8" / Since pipe fittings are measured by the ID of the devise they are technically 1/4" x 1/8" and that is BSP, which was used in classic Motorcycles, and stands for British Straight Pipe, not to be confused with the modern BSP as British Standard Pipe. Condition: NEW Brand: STEADFAST CYCLES Part Brand: STEADFAST CYCLES Country/Region of Manufacture: UNITED STATES Manufacturer Part Number: SC-0004 Surface Finish: BRASS Country of Origin: MADE IN THE USA