Fox 0.049
Fox 049 Plug Adaptor – An adaptor is available that allows the use of a Cox 049 glow head or a Galbreath/Nelson Cox head in the FAI Fox 049. The brass ring is screwed into the cylinder on the Fox and the Cox compatible head is then screwed into the brass ring. Fox gaskets can be used under the ring and Cox gaskets inside the ring to adjust the compression ratio.