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Dirt Late Model Cylinder Heads

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Dirt Late Model Cylinder Heads
Dirt Late Model Cylinder Heads
Here, you can see one reason why the ports are shorter on an SB2. The SB2 head on the left features offset intake and exhaust valves. The intake is closer to intake side of the head, making that port shorter than the 9 Degree on the right which has an in-line valve arrangement. View Related Article
Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads
Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads Dirt Late Model Cylinder Heads
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