What plug to use on a BB mopar

I run a 10

Thanks HOTMOPR , this is my setup 90% street use

- 514 ci
- 9.5 c/r
- 440 source alum. heads
- 640 115 solid roller
- pro comp intake
- 900 cfm C&S blow thru carb
- A1000 pump
- Garret 88mm w/ 1.39 ex.
- JE pistons
- Eagle H beam rods
- Eagle 8 bolt stroker crank
- MSD Dig 6al
- MSD crank trigger
- 50 - 150 shot of nitrous out of the hole at the track if needed

Trans
- 727 trans man. valve body
- 400 PTC conv.

Rearend
3.23 / 8 3/4
Strange 35 spline spool and axles
Drag radial 325

67 DART
- All steel with glass 5.5'' cowl hood
- mini tube
- SS springs
- 90 10 shocks
- 10 pl. cage