Thank you for the info.My cylinder head is NOT dished but is square.I haven't taken out the spraybar, yet, and looked but it has the little brass nut that tightens on the needle....so i expect that the long needles are the ones that work with this. That auction ,you sent,has 2 needles...do both work on the same engine?

Do yuou know if all the G parts interchange on the older S engines?

thanks Dave