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World Products 011150-1

Small Block Chevy Sportsman II Cast Iron Cylinder Head 200cc Intake Ports

World Products 011150-1

955-011150-1

made in usa
jegs shipping
FREE Shipping
Ships 12/05/16 if Ordered Today
World Products 011150-1 Small Block Chevy Sportsman II Cast Iron Cylinder Head 200cc Intake Ports $644.01
Small Block Chevy Sportsman II Cast Iron Cylinder Head
  • 200cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020'' Int/1.600'' Exh Valves
  • 1.250'' Valve Springs, .560'' Max Lift for Hydraulic Cam
  • Angle Plug
  • Assembled, Sold Individually

  • World Products 011150-1 Details

    Small Block Chevy Sportsman II Cast Iron Cylinder Heads - 64cc Combustion Chambers, Angle Plug

    Applications: World has tested Sportsman-II heads in many applications including 375Hp 9:1 street engines; 450HP 9.8:1 street /strip engines; all the way to 940HP blown alcohol drag race engines.
    Typical Application Street: 274 Cam: 230/236° .487''/.490'', 750 cfm carb, 1-3/4'' header. 430HP on 9.8:1 355; 480HP on 383 10.5:1 (varies with displacement and compression ratio).
    Typical Application Drag Race: Modified 750 cfm carb, 276/284° roller cam, single plane plenum intake, 1-3/4''-plus header. MUST Upgrade to 1.550'' roller valve springs and 10° hardware. Up to 650HP normally aspirated depending on displacement and CR and porting.

    TECHNICAL SPECIFICATIONS

    Material: High density cast iron
    Valve Seats: Integral intake,hardened steel exhaust
    Valve Guides: Integral cast iron
    Valve Spring Seats: Machined for 1.250'' springs
    Valve Size: 2.020'' x 1.600''
    Exhaust Flange: Stock locations, 7-bolt universal pattern

    Included In Assembly: Erson stainless steel valves, ring and band-style seals, valve springs, Erson 7° chrome moly retainers, and keepers.

    Recommended Installation Items:

    Head Gaskets: Fel-Pro #1003 ( 265-350 ) or equivalent
    Puhshrods: Requires heat-treated pushrods. Use of 1.6 ratio rocker arms require elongation of pushrod holes.
    Screw-in Studs: 3/8" or 7/16" with 7/16"-14 base thread
    Pushrod Guidplates: Flat 5/16" Erson 601 or equivalent
    Spark Plugs: Accepts 14mm .460'' reach tapered seat 5/8'' hex or equivalent
    Intake Gasket: Fel-Pro #1205 or equivalent
    Exhaust Gasket: Fel-Pro #1404 or equivalent

    Machine Shop Specifications:

    Maximum Valve Diameter:
    2.100'' x 1.600'' or 2.080'' x 1.625''
    Maximum Spring Seat Depth (from inside step): .030''
    Maximum Spring Diameter: 1.550''
    Approximate Milling Guidelines(varies with depth): .0065'' per cc
    Maximum Flat Mill Depth (up to intake seats): .040''
    Maximum Angle Mill ( approx. 50-52cc volume): .175'' depth

    NOTE:These specifications are for reference only. ALWAYS measure before machining.

    Specifications:

    Accessory Bolt Holes Drilled
    Yes
    CNC-Machined Combustion Chamber
    No
    CNC-Machined Exhaust Runner
    No
    CNC-Machined Intake Runner
    No
    Combustion Chamber Volume (cc)
    64
    Cylinder Head Finish
    Natural
    Cylinder Head Material
    Cast iron
    Cylinder Head Style
    Assembled
    Damper Spring Included
    No
    Exhaust Port Location
    Standard
    Exhaust Port Shape
    Square
    Exhaust Valve Diameter (in.)
    1.6
    Exhaust Valves Included
    Yes
    Guideplates Included
    No
    Heat Crossover
    No
    Intake Port Location
    Standard
    Intake Runner Volume (cc)
    200
    Intake Valve Diameter (in.)
    2.02
    Intake Valves Included
    Yes
    Lock Style
    7 degree
    Locks Included
    Yes
    Machined for O-Ring
    No
    Maximum Valve Lift (in.)
    0.56
    Number of Springs Per Valve
    Single
    Oiling Style
    Through pushrod
    Outside Diameter of Outer Spring (in.)
    1.25
    Quantity
    Sold individually
    Retainer Material
    Chromoly steel
    Retainers Included
    Yes
    Rocker Arm Nuts Included
    No
    Rocker Arm Studs Included
    No
    Rocker Arms Included
    No
    Spark Plug Style
    Angled
    Steam Holes Drilled
    No
    Valve Cover Mounting Style
    Center and perimeter bolt
    Valve Guide Material
    Cast iron
    Valve Guides Included
    Yes
    Valve Seat Machine Style
    3-angle
    Valve Seat Material
    Steel
    Valve Seats Machined
    Yes
    Valve Springs Included
    Yes
    Valve Stem Seal Style
    Positive stop
    Valve Stem Seals Included
    Yes
    Manufacturer's Part Number:
    011150-1

    The Easiest Way to Bolt On 30-70HP!

    Continuosly improved since it's 1987 introduction, the World Products Sportsman II is still the industry's most popular cast iron high performance head. Featuring RightCast 200cc intake runners, Fast-Burn chambers and your choice of angled or straight plugs, they're good for 30-70 HP increases right out of the box. They are the aftermarket's only 50-state emissions legal cast iron high performance cylinder head (EO #D-343-1). You should also know that all World Products heads are percision CNC-machined, and indexed off the chambers to assure perfect alignment with the cylinders. Only World offers complete assemblies with Erson stainless steel valves and other quality components including springs, retainers and keepers.

    Technical Specifications
  • Material: High density cast iron
  • Valve Seats: Integral intake, hardened steel exhaust
  • Valve Guides: Integral cast iron
  • Valve Spring Seats: Machined for 1.250'' and 1.550'' springs
  • Valve Sizes: 2.020'' x 1.600''
  • Accessory Flange: Stock locations, 7-bolt universal pattern
  • Included In Assembly: Erson stainless steel valves, ring and band-style seals, valve springs, Erson 7° chrome moly retainers, and keepers.

    Recommended Installation Items
  • Head Gaskets: Fel-Pro 375-1003 or equivalent
  • Pushrods: Requires heat-treated pushrods. Use of 1.6 ratio rocker arms requires elongation of pushrod holes.
  • Screw-in Studs: 3/8" or 7/16" with 7/16"-14 base thread
  • Pushrod Guidplates: Flat 5/16" Erson 601 or equivalent
  • Spark Plugs: Accepts 14mm .460'' reach tapered seat 5/8'' hex (Accel 274 or 276, AC-Delco 43TS or 44TS or equivalent)
  • Intake Gasket: Fel-Pro 375-1205 or equivalent
  • Exhaust Gasket: Fel-Pro 375-1404 or equivalent

    Machine Shop Specifications:
  • Maximum Valve Diameter: 2.100'' x 1.600'' or 2.080'' x 1.625''
  • Maximum Spring Seat Depth (from inside step): .030''
  • Maximum Spring Diameter: 1.550''
  • Approximate Milling Guideline (varies with depth): .0065'' per cc
  • Maximum Flat Mill Depth (up to intake seats): .040''
  • Maximum Angle Mill (approx. 50-52cc volume): .175'' depth

    Note: Specs are for reference only. ALWAYS measure before machining.

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