Ford Racing Bare CNC Ported Z Cylinder Head for small block Ford engines*. Sold individually, a car requires two.*Small block engine refers to 289 / 302 / 351 Windsor. If used on a 289 or 302 engine head bolt bushings must be used.
This is the same cylinder head as M-6049-Z304D with the addition of CNC porting to both the intake and exhaust ports. This high flowing aluminum cylinder head is for the racer or street enthusiast that wants to make big power. Recommended for larger displacement small block engines.
-Intake port volume as cast 204cc
-Exhaust port volume as cast 85cc
-63cc CNC?d combustion chamber
-Raised exhaust port exit, custom headers may be required
-Accepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924, 3925)
-Cork valve cover gasket recommended
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