Ford 427 Windsor Engine Build Cylinder Heads
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The Z304 cylinder heads went on easily and are secured via head studs (PN M-6014-Boss or ARP 155-4001). The intake ports are generous in size, but force the pushrods over a bit, which requires a rocker arm with an offset pushrod cup. FRPP offers these under part number M-6564-F351, and they feature a 1.65:1 ratio. View Related Article
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