I've looked at their site and I can't find anywhere that it mentions it, but do Stealth heads require a longer or shorter plug than stock? I've always run Autolite 85's in big blocks, will they work?
Thanks.

1969 Dart GTS 340
1969 Super Bee X9 N-96
1969 Coronet R/T X9 N-96
2015 Dodge Dart GT
2019 Ram 2500 Big Horn.
Looking for the original block for my Bee. The last 4 are 7449