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World Sportsman II Small Block Chevy Iron Heads, Angle Plug
World Sportsman II Small Block Chevy Iron Heads, Angle Plug

World Sportsman II Small Block Chevy Iron Heads, Angle Plug

2 Reviews | 16 Answered Questions
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World Sportsman II Small Block Chevy Iron Heads, Angle Plug
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World Sportsman II Small Block Chevy Iron Heads, Angle Plug World Sportsman II Small Block Chevy Iron Heads, Angle Plug World Sportsman II Small Block Chevy Iron Heads, Angle Plug World Sportsman II Small Block Chevy Iron Heads, Angle Plug World Sportsman II Small Block Chevy Iron Heads, Angle Plug
World Sportsman II Small Block Chevy Iron Heads, Angle Plug
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Part # 8241112
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$799.99
pair
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Details

Cylinder Head Style:
Select Assembled/bare to see
Material Type:
Cast Iron
Port Style:
Square Port
Combustion Chamber:
64cc
Intake Runners:
200cc
Exhaust Runners:
69cc
Intake Valve Diameter:
2.02"
Exhaust Valve Diameter:
1.60"
Spark Plug Style:
Angle
Finish:
Natural
Sold in Quantity:
Pair

Info

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.

Item Details

Angle Plug, 64cc Chambers
Wissota Approved #1115

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
Some parts are not legal for use in California or other states with similar laws/regulations

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
Select a Assembled/bare above to see what items are in this kit.

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