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M-6049-Z304D 302/351W "Z-HEAD" ALUMINUM HEAD - BARE 63CC
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M-6049-Z304D 302/351W "Z-HEAD" ALUMINUM HEAD - BARE 63CC

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Bare Head FeaturesFor assembled head see M-6049-Z304DA  Fits 302/351 Windsor engines This cylinder head was designed using Solid Modeling Technology Cast from p…
SKU: M-6049-Z304D
$962.50
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Bare Head FeaturesFor assembled head see M-6049-Z304DA  Fits 302/351 Windsor engines This cylinder head was designed using Solid Modeling Technology Cast from prime A356 T6 aluminum Heads are cast with high-flow ports 20 degree inline valves Suggested valve sizes: 2.02" intake and 1.60" exhaust Requires competition valve job and bowl blending Steel alloy intake and exhaust valve seats installed (no valve job) Manganese-bronze valve guides installed with semi-finished ID 63cc CNC'd combustion chamber Intake port volume as cast: 204cc Exhaust port volume as cast: 85cc Bare head weighs 27 lbs. Accepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924, 3925) Requires guide plate M-6566-Z304D (not included) Requires 7/16" screw-in studs (not included). Requires M-6564-F351 1.65:1 or M-6564-G351C 1.5:1 ratio roller rocker arms with .150" offset intake pushrod cup (not included) Uses M-6505-B304 exhaust valve and M-6507-A304 intake valve (not included) Raised exhaust port exit, custom headers may be required Check your intake manifold for port match; not all intakes are compatible due to the tall high-flow ports. Does not fit M-9424-Z51/-Z51P Uses Felpro exhaust gasket part number 1487 Felpro VS13264T valve cover gasket recommended

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