Case Bypass Plug
$4.00 USD
Oil relief / Oil bypass plug. Hardened, Allen Head style, with sealing washer. Simply the best plugs, why use anything else? the 10mm Allen head makes it a breeze to install!
Ditch those big flathead versions or 1/4" drive versions. We use these plugs exclusively in our engine shop.
VW part # 113 115 431