passenger's side of engine, last one in back.
Drivers side, front plug.
there is not just 1 freeze or (soft) plug, there is about 8 give or take a few
454 = 454. No other number is equal to 454.
1-8-4-3-6-5-7-2
I use autolite plugs in my 454 and you can feel the difference in performance over AC delco's.
.035"
0.35
18436572
0.35
0.045
.035
0.035 in.