Drive Drive Drive - In regards to the new Toyota Cars. I believe the rules state that you have to run a cast iron stock block.?

In regards to the new Toyota Cars. I believe the rules state that you have to run a cast iron stock block.?

I dont believe that Toyota makes a cast irion stock block do they?? What are the running??

Plastic
A cast iron head speced out by NASCAR. NASCAR controls everything and Toyota same as Ford Chev and Dodge have to comply with the specs