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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
Click here to view the parts instruction sheet.
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