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FORD RACING PERFORMANCE PARTS"Z" ALUMINUM HEAD - Bare Head


FORD RACING PERFORMANCE PARTS “Z” ALUMINUM HEAD - Bare Head


 
List Price:$1,050.00
Our Price:$950.00
You save $100.00!

Part Number: M-6049-Z304D
Qty:

Description
 
BARE HEAD FEATURES
  • This cylinder head was designed using Solid Modeling Technology
  • Cast from prime A356 T6 aluminum
  • Fits 5.0L/5.8L Windsor engines
  • 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 roller rocker arms (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

    ASSEMBLED HEAD FEATURES
  • Premium stainless steel 2.02" intake M-6507-A304 and 1.60"
    M-6505-B304 exhaust valves
  • Uses M-6513-BH Beehive style valve springs with machined
    retainers and machined valve locks.
    Most hydraulic cams can be used with these springs.
    130lbs @ 1.800", 293 lbs. @ 1.200" and CB @ 1.085"
  • Includes laser cut guide plates M-6566-Z304D for use with 5/16"
    pushrods and 7/16" rocker studs
  • Requires M-6564-F351 roller rocker arms (not included)
  • Check piston to valve clearance including radial valve clearance
    before installing these cylinder heads on your engine
  • Cork valve cover gasket recommended



    TYPICAL AIRFLOW (@ 28" OF H2O DEPRESSION) WITH 2.02 INTAKE VALVE,
    1.60 EXHAUST VALVE AND COMPETITION VALVE JOB


    INTAKE FLOW EXHAUST FLOW


    LIFT AS CAST CNC AS CAST CNC

    .050 31.1 30.5 26.4 34.4
    .100 64.6 61.0 55.8 68.7
    .150 103.0 85.7 84.6 108.7
    .200 135.3 110.4 113.3 148.7
    .250 167.0 134.6 146.8 187.0
    .300 199.0 158.8 171.6 225.3
    .350 227.2 175.2 190.2 251.7
    .400 245.2 191.7 200.4 278.1
    .450 259.8 206.6 207.2 296.1
    .500 271.9 221.5 212.8 314.1
    .550 277.3 227.7 218.1 319.7

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