302/351W HIGH FLOW ALUMINUM CYLINDER HEAD

This part is no longer available.
302/351W HIGH FLOW ALUMINUM CYLINDER HEAD
M-6049-Z304
Instruction Sheet
    M-6049-Z304* Bare Head M-6049-Z304A* Complete Head
  • Fits 5.0L/5.8L Windsor engines
  • Heads cast with high-flow ports
  • Requires competition valve job and bowl blending
  • Suggested valve size 2.02” intake and 1.60” exhaust
  • 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
  • Cast from prime A356 T6 aluminum
  • Intake port volume as cast 204cc
  • Exhaust port volume as cast 85cc
  • Bare head weighs 27 lbs.
  • Laser cut guide plates included
  • 20 degree inline valve head
  • Accepts both tapered seat and gasket style 14mm spark plugs (Motorcraft AGSP-32-PP, Autolite 3924, 3925)
  • This cylinder head was designed using Solid Modeling Technology
  • Requires screw-in rocker studs and roller rockers (not included)
  • Uses M-6505-A304 exhaust valve and M-6507-A304 intake valve
  • Raised exhaust port exit, custom headers may be required
    Assembled Head Features
  • Assembled for use on the M-6007-C347 and other 302/351W crate motors using hydraulic camshafts
  • Premium stainless steel 2.02" intake and 1.60" exhaust valves
  • M-6513-A351 valve springs with steel retainers and machined 7-degree valve locks. Most hydraulic cams can be used with these springs
  • Guide plates for 5/16" pushrods and 7/16" rocker studs included
  • Compatible with the M-6564-K351 roller rocker arms
  • 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 H20 DEPRESSION) WITH 2.02 INTAKE VALVE, 1.60 EXHAUST VALVE AND COMPETITION VALVE JOB
    LIFTINTAKE FLOW
    (SCFM)
    EXHAUST FLOW
    (SCFM)
    .05031.126.4
    .10064.655.8
    .150103.084.6
    .200135.3113.3
    .250167.0146.8
    .300199.0171.6
    .350227.2190.2
    .400245.2200.4
    .450259.8207.2
    .500271.9212.8
    .550277.3218.1
Part Type
Engine: Cylinder Heads
Instruction Sheet
Warranty Availability
Not Available
Package Dimensions
6.25" x 10" x 21"
Package Weight
24 lb(s)
UPC Code
756122054291
Country of Origin
United States