Material: High density cast iron
Valve Seats: Integral intake,hardened steel exhaust
Valve Guides: Integral cast iron
Valve Spring Seats: Machined for 1.437'' springs
Valve Size: 1.940'' x 1.600''
Rocker Arm Studs: Accepts 3/8" or 7/16" screw-in studs with 7/16"-14 base thread
Exhaust Flange: Stock port locations, Dual bolt pattern accommodates large custom headers
Included In Assembly: Erson stainless steel valves, ring & band style valve seals, 1.250'' valve springs, Erson 7° chrome moly retainers, and keepers.
Rocker Arms: Aftermarket roller rocker arms recommended. However, if stock rockers are to be retained, use stud mounted rockers
Head Gaskets: Fel-Pro #9333PT or #1011-2 or equivalent. CAUTION: #1011-1 is NOT recommended.
Puhshrods: Requires heat-treated pushrods
Spark Plugs: Accepts 14mm .460'' reach tapered seat 5/8'' hex (Champion #670 or #802) or equivalent
Intake Gasket: Fel-Pro #90361 or equivalent
Exhaust Gasket: Fel-Pro #1415 or equivalent
Maximum Spring Seat Depth (from inside step): .030''
Maximum Spring Diameter: 1.550''
Approximate Milling Guidelines(varies with depth): .007'' per cc
Maximum Flat Mill Depth (up to intake seats): .040''
Maximum Angle Mill: .175'' depth
NOTE: These specifications are for reference only. ALWAYS measure before machining. Note: Aftermarket 289/302 heads including Brodix, Edelbrock, Ford Motorsport and World Products with 1/2'' bolt hole diameters (block is 7/16'' bolt hole), except 397-M-6049-P303 (''P'' style head). Require 350-9680 inserts with 350-8552 head bolt or 350-9680 insert with 070-154-3601. If head studs are desired use 070-154-4005 (includes inserts).
Bolt On To Your 5.0L Mustang With No Loss Of Compression!
The World Products Windsor Jr. head features 180cc intake runners that combines high velocity and superior flow to produce excellent torque and throttle response in stock to mildly modified 5.0L engines. The 58cc combustion chamber is sized for true bolt-on compatibility, and has been ''tweaked'' to optimize efficiency. Windsor Jr. cast iron cylinder heads provide a very cost-effective solution to getting serious power from a Ford 5.0L motor without spending a ton of money. And when it comes to value, you can't beat the assembly packages from World. Top grade components, like Erson stainless steel valves, are used as your assurance of relability, with World passing bulk buying advantages right through to customers. If you're looking for a cost-effective, bolt-on cylinder head that works, the Windsor Jr. is for you!Technical Specifications
Recommened Installation Items
Machine Shop Specifications
Note: These specifications are for reference only. ALWAYS measure before machining.
I have 87 302 ho carb conversion with high rise intake and headers....whats a rough compression ratio on a roller motor by adding these heads?
Will they work on a foxbody 302 with trick flow efi intake and b303 cam? And is the price listed for each head or the pair?
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