Trick Flow small block heads

Duane said

My point was he's only got 11.60s. The heads have more potential than that from what I have seen.

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I agree but many leave a lot on the table to grabs 340 in a 3200 pound Duster will crank out 12.20’s with a 484 purple shaft cam, stock rods, pistons, and crank with slightly polished J heads.