When it comes to high performance replacements for factory cast iron heads, World’s WINDSOR SR. boasting 200cc ports, plus 64cc exhausts ports that are substantially larger than OEM Ford heads. Add a highly efficient combustion chamber design and larger valves and you have big bolt-on power. These heads are also 50-State emissions legal factory replacements. Marine applications are also available, equipped with high temperature inconel exhaust valves. The WINDSOR series of heads are the cost-effective choice for serious power from your 302/351!
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TECHNICAL SPECS
Casting ID Number: I-061
Material: High density cast iron
Valve Seats: Intake (integral), exhaust (hardened)
Valve Guides: Integral cast iron
Spring Seats: Machined for 1.560" and 1.250"
Valves: Manley stainless steel valves in assemblies (inconel exhaust valves on marine applications)
Valve Diameter: 2.020" intake, 1.600" exhaust (11/32" stem)
Guide Plates: Special World part #830460-8
Rocker Arm Studs: Screw-in style
Rocker Arms: Adjustable rockers recommended. 1.6 ratio (use of 1.73 ratio will require elongation of pushrod holes)
Intake Runner: 200cc, standard port location
Exhaust Ports: 64cc, standard location (dual exhaust bolt pattern to accommodate large custom headers)
Combustion Chamber: 64cc
Spark Plug: 14mm 5/8" .460" reach tapered style, Accel 276 or 276S or equivalent
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised
Valve Angle: Stock 20°
Accessory Bolt Holes: Stock
50-State Emissions legal
HEAD FLOW @ .600 LIFT
255 intake, 177 exhaust (Super Flow 1050)
272 intake, 191 exhaust (Super Flow 600)
All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.
CLICK HERE FOR COMPLETE HEAD FLOW DATA ON ALL OUR HEADS
WINDSOR SR IRON
HEAD ASSEMBLY BUYING GUIDE
Use this guide to match your Cam Spring Specs to our Assembled Heads & choose which assembly you need from the choices below. Please Note: Bare Heads contain no Valves. |
-1 Assembled Heads: Hydraulic Flat Tappet Cam
1.250": 100 lbs. @ 1.810", 300 lbs. @ 1.250", coil bind @ 1.200
MAX LIFT @ .570"
-2 Assembled Heads: Mech. Flat Tappet or Hydraulic Roller Cam
1.437": 125 lbs. @ 1.850", 340 lbs. @ 1.210", coil bind @ 1.160"
MAX LIFT @ .600"
-3 Assembled Heads: Solid Roller Cam
1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150"
MAX LIFT @ .700" |
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