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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
The valve spacing has been widened to safety accommodate the larger valves
500 137
-Pre-tapped for 1/8npt pulse fitting
150 66
Big Block Gx390/420/440 billet head
Phat Head The valve spacing has beenWider or is it widest??? We took the Moflow 36 27 and spaced the valves another . 100" wider to accept HUGE valves! This head is designed for ALL OUT builds! Comes with rocker shaft and Intake manifold for Mikuni Rubber flange mount (75mm). Builders head, bare machined head. Needs seats, guides, valves, retainers, springs Comes with Intake and black venom rocker shaft (rockers not included).
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