Indy Cast iron heads

AdamR said

I think they use to make a few iron heads. I know the had a set called the 440-Cs wich were just a iron version of the 440-1 race heads.

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What Adam said. I dont think they are made anymore, but they should be max wedge sized intkae ports, and require a max wedge intake, or Indy peice. A decent (albeit huge port volume) head, and priced cheaply in it's day.