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World Sportsman II Small Block Chevy Iron Heads, Angle Plug

SAME DAY SHIPPING! Most orders ship within 24 hours.

Specs
Material Type:
Cast Iron
Sold in Quantity:
Pair
Finish:
Natural
Port Style:
Square Port
Intake Runners:
200cc
Exhaust Runners:
69cc
Combustion Chamber:
64cc
Cylinder Head Style:
-
Spark Plug Style:
Angle
Intake Valve Diameter:
2.02
Exhaust Valve Diameter:
1.60
World Sportsman II Small Block Chevy Iron Heads, Angle PlugWorld Sportsman II Small Block Chevy Iron Heads, Angle PlugWorld Sportsman II Small Block Chevy Iron Heads, Angle PlugWorld Sportsman II Small Block Chevy Iron Heads, Angle PlugWorld Sportsman II Small Block Chevy Iron Heads, Angle Plug
World Sportsman II Small Block Chevy Iron Heads, Angle Plug

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Details

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Q & A

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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SKU-3041001
                        

These complete Dart Iron Eagle Platinum cylinder heads are professionally assembled right here at Speedway Motors. We offer three different versions of each head (Street Ready, Flat Tappet Ready, Roller Ready) to perfectly suit your racing needs.

  • 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

Head Application Chart (GIF)

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

Iron Eagle Tech Notes (PDF)

Dart Installation Note (PDF)

Recommended Spark Plug: 14 mm, 5/8" hex, .460 reach, taper seat

 

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SKU-5902233
                        

These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job.

  • Standard port 23° head
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  • Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability
  • Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 
  • 200cc recommended for 327-350 c.i. up to 400+ HP
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Application Chart (GIF)

Roller Ready - Please specify cam lift when ordering. 

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

World Sportsman II Small Block Chevy Iron Heads, Straight Plug
SKU-8241122
                        

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. 

Dart 10310010P Iron Eagle Bare Chevy Cylinder Head, Angle, 200cc/64cc
SKU-30410010
                        

Using proprietary Speed Flow technology, Dart has developed more efficient port designs with improved velocity and flow capabilities. The combustion chambers and ports have been redesigned for greater breathing characteristics and more controllable combustion. Casting walls are cleaner and more consistent, resulting in better control over flow and heat.

  • 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)