Accel short spark plug part #

[1Fordman]

68 bb with iron square port heads and Hooker sidepipes, what is the Accel part number for the short spark plugs?

 

[Twin_Turbo]

Depends on heat range. Running stock R45TS??

All R45TS equiv.:
http://www.sparkplugs.com/results_cross.asp?pid=R45ts&seenCrossWarning=1

Why not try the autolite AR like the autolite AR135