il give u a quick answer but maybe not the right one. i replaced the valve cover gasked on my BA (96) 1.8L (4cyl) few months back, i got the genuine part from mazda 2 (yeah that was stupid
) and it also had the bit of material that goes to the seal around the sparkplug. dunno if i was supposed 2 take it of either but i left it on and so far so good. i cant see another way to locate these rings without the bit of material that guides it there, i mean when the valve cover is almost completly down