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World Sportsman II Small Block Chevy Iron Heads, Angle Plug

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What's in the Box

The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. With 200cc intake and 69cc exhaust ports, World’s Sportsman II cylinder heads offer 30-70 horsepower gains over OEM cast iron heads, yet are 50-state emissions legal.

  • Bolt on from 30 to 70 additional H.P. (Dyno Proven)
  • Combustion chambers available in 64cc
  • Available with either angle, or straight spark plugs
  • 200cc intake runners
  • Fully machined rocker cover rails
  • Higher, wider, raised roof intake runner with improved short turn radius

Sportsman II Application Chart (GIF)

824-1112 Instructions (PDF)

Please specify cam lift in comments section when ordering heads.

Assembled heads are built to order.

Notes

  1. Recommended spark plug is a 14mm-5/8", .460" reach with a tapered seat.
  2. Head Flow @ .600 Lift
    245 intake, 165 exhaust (Super Flow 1050)
    260 intake, 176 exhaust (Super Flow 600)
    All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.

Specs

  • Casting ID Number: I-037
  • 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"
  • Valve Diameter: 2.020"" intake, 1.600" exhaust (11/32" stem)
  • Rocker Arm Studs: Screw-in style
  • Rocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)
  • Intake Runner: 200cc, standard port location
  • Exhaust Ports: 69cc, standard location
  • Combustion Chamber: 64cc, straight or angled plug orientation
  • Spark Plug: 14mm 5/8" .460" reach tapered style
  • Valve Job: Multi-angle intake and radiused exhaust
  • Valve Cover Rail: Raised w/ perimeter and center bolt pattern
  • Valve Angle: Stock 23°
  • Accessory Bolt Holes: Stock

Item Details

Angle Plug, 64cc Chambers
Wissota Approved #1115

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  • Spark plug holes are machined for tapered seat 5/8" hex "peanut" spark plugs
  • Dual bolt pattern accepts flange mount and center bolt valve covers

Head Application Chart (GIF)

Roller Ready - Please specify cam lift in comments section when ordering.

Iron Eagle Tech Notes (PDF)

Dart Installation Note (PDF)

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Application Chart (GIF)

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Complete heads are made to order, please allow 3-4 days to assemble.

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The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. With 200cc intake and 69cc exhaust ports, World’s Sportsman II heads offer 30-70 horsepower gains over OEM heads, yet are 50-state emissions legal.

  • Bolt on from 30 to 70 additional H.P. (Dyno Proven)
  • Combustion chambers available in 64cc
  • Available with either angle, or straight spark plugs
  • 200cc intake runners
  • Fully machined rocker cover rails
  • Higher, wider, raised roof intake runner with improved short turn radius
  • 50-State Emissions legal
  • Recommended spark plug is a 14mm-5/8", .460" reach with a tapered seat

Sportsman II Application Chart (GIF)

824-1112 Instructions (PDF)

Please specify cam lift in comments section when ordering heads.

Assembled heads are built to order. 

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  • Standard 23 degree valve angle
  • Standard port location and intake bolt pattern fit most manifolds
  • Pushrod holes enlarged for clearance with high ratio rocker arms
  • Heart shaped chambers improve combustion efficiency
  • Multi-angle intake seats and radiused exhaust seats dramatically increase airflow
  • Hardened exhaust seats compatible with unleaded gasoline
  • Manganese bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life
  • Spark plug holes are machined for tapered seat 5/8" hex "peanut" spark plugs
  • Dual bolt pattern accepts flange mount and center bolt valve covers

Iron Eagle Tech Notes (PDF)

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  • Standard 23 degree valve angle
  • Standard port location and intake bolt pattern fit most manifolds
  • Pushrod holes enlarged for clearance with high ratio rocker arms
  • Heart shaped chambers improve combustion efficiency
  • Multi-angle intake seats and radiused exhaust seats dramatically increase airflow
  • Hardened exhaust seats compatible with unleaded gasoline
  • Manganese bronze intake valve guides and phosphorous bronze exhaust valve guides extend cylinder head life
  • Spark plug holes are machined for tapered seat 5/8" hex "peanut" spark plugs
  • Dual bolt pattern accepts flange mount and center bolt valve covers

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