302/351W "Z" Aluminum Cnc Ported, Assembled Cylinder Head


SKU: M-6049-Z304PA Ford Performance

Verified Fit

Secure Checkout

Product Availability: Available while supplies last
  • Fits 302/351 Windsor engines
  • Intake and Exhaust airflow increased approximately 10% over Ford Performance "Z" heads
  • This cylinder head was designed using Solid Modeling Technology
  • Cast from prime A356 T6 aluminum
  • 59cc CNC'd combustion chamber 
  • Heads have CNC high-flow ports
  • 20 degree inline valves
  • Valve sizes: 2.08-inch intake and 1.60-inch exhaust
  • Competition valve job and bowl blending
  • Steel alloy intake and exhaust valve seats installed 
  • Manganese-bronze 11/32" valve guides installed with finished ID
  • Bare head weighs 27 lbs. Accepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-C, 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-recommend Crower 72813X1 offset intake rocker arm)
  • Uses M-6505-B304 exhaust valve 
  • 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
  • Requires M-9439-ZP Intake manifold gasket
  • Uses Felpro® exhaust gasket part number 1487
  • Felpro® VS13264T valve cover gasket recommended
  • Check piston to valve clearance including radial valve clearance before installing these cylinder heads on your engine
  • Uses Felpro® exhaust gasket part number 1487