Bare Head Features
For 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 1.65:1 or 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

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