BSA 500 and 650 Petcock Adapters 1/4-inch To 3/8-inch BSP Petrol / Fuel Tap (2) PN# TBS-001A

For those of you frustrated with leaky BSA cork type petcocks and the astronomical cost of them versus Triumph / Norton units, here’s the solution! These brass inserts are better than others available insomuch as they have larger sealing faces to minimize leak potential. Correctly installed and used with our petcock fuel valve set PN# 83-2800 & 83-2801