Right now I have an Exedy Dual diaphram pressure plate and a Action 6 puck metallic disc.

Do you think this will be able to hold 250-300 lb/ft of torque?

I am also wondering if I should just buy something like an Action modded Pressure plate, along with just a kevlar 6puck disc.

This car will be a street/race car, but I think it will be seeing more of the street then the track.

Any opinions?

 

I don't think you will have any problems withteh 6 puck disc. If anything, your P/PL may slip depending on what the pressure rating is.