"Correct" Spark Plug Wires for Slant 6

66RedFish....i got the bottom shelf Duralast wires from autozone and they're just fine without the collars. I guess they would help in extremely wet conditions but since the boot still covers the contact area of the plug, the plug is threaded into the tube, and the tube gasket seals to the head, i think you'll be fine just my .02:)