World Products 053040 – Cylinder Head Cast Iron Ford Small Block WINDSOR SR. 200cc 64cc 20Degree 2.020″ x 1.600″, Bare Castings When it comes to high performance replacements for factory cast iron Head, World’s WINDSOR SR. boasting 200cc ports, plus 64cc exhausts ports that are substantially larger than OEM Ford Head. Add a highly efficient combustion chamber design and larger valves and you have big bolt-on power. These Head are also 50-State emissions legal factory replacements. The WINDSOR series of Head are the cost-effective choice for serious power from your 302/351! 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″ Valves: ERSON stainless steel valves in assemblies Valve Diameter: 2.020″ intake, 1.600″ exhaust (11/32″ stem) Rocker Arms: 1.6 ratio (1.73 ratio may require elongation of pushrod holes) Intake Runner: 200cc, standard port location Exhaust Ports: 64cc Dual bolt pattern to accommodate large custom headers Combustion Chamber: 64cc Spark Plug: 14mm 5/8″.460″ reach tapered style. EX. ACCEL 276 or 276S Valve Job: Multi-angle intake and radius exhaust Valve Cover Rail: Raised w/ perimeter Valve Angle: Stock 20° Accessory Bolt Holes: Stock Guide Plates: Not Included Rocker Arm Studs: Not Included World Products WINDSOR SR 200cc Iron Head Flow Data Valve Lift–.300 –.400 –.500 –.600 –.700 –.800 2.020 —- 184 — 226 — 257 — 264 — 268 — 268 1.600 —- 148 — 174 — 181 — 183 — 185 — 186
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