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0108PHRBBFord02z

These aluminum units come complete with valves and springs, and are ready to bolt on out of the box. Since we're running a roller cam, we'll need to upgrade the springs to deal with the radical nature of our bumpstick, but the heads would be great for those running hydraulic flat-tappets as is.
Big-Block Shootout Part 3

These aluminum units come complete with valves and springs, and are ready to bolt on out of the box. Since we're running a roller cam, we'll need to upgrade the springs to deal with the radical nature of our bumpstick, but the heads would be great for those running hydraulic flat-tappets as is.  View Related Article

 

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