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Old School Tech: FMF Porcupine Heads


Porcupine heads are simple tech of the pre-liquid cooled days. The goals was for the longer fins to reach out and dissipate heat faster. This in turn would keep the engine cooler extending peak power and it looked trick. These cylinder heads complete any retro build and are occasionally available on Ebay for around $650.00.




Photo Source. www.mecum.com


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