The o-rings that go on the plugs at the back of the heads. I've searched all over...seems like! Didn't see it on the part number list here! Checked online dealers but no luck. Maybe I'm looking in the wrong place or searching with the wrong terms. I've got one that's leaking pretty good. Would have to be the one that's hard to get to! Any advice would be appreciated!


1998 Montero (CW Pack)
1979 Chevy LUV 4x4
2000 GMC 2500 4X4