Enhance your Classic Mini and Moke's performance with this long later type cylinder head by pass hose adaptor. This essential piece allows you to fit the by pass hose without the hassle of removing the head. Perfect for replacing frequently rusted parts on old cylinder heads, or adding to newer heads where they're often missing. Crafted to fit 5/8" uns x 16tpi "whitworth fine" thread, this adaptor ensures a secure and precise fit. At Mini World Australia, we're passionate about keeping your Classic Mini or Moke running smoothly with quality new and used parts.