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Dart 10320010P Iron Eagle Bare Chevy Cylinder Head, Straight, 200/64cc

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Watch the video below to learn about the technology behind Dart SBC heads.

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What's in the Box

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)

Item Details

Straight Plug
200cc Intake Runner, 64cc Combustion Chamber

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

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)

Dart 10510020P Iron Eagle Bare Chevy Cylinder Head, Angle, 215cc/64cc
                        

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)

Dart Iron Eagle Assembled Chevy Heads, Straight Plug, 200cc/64cc
                        

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.

RHS Pro Action Bare Chevy Cast Iron Head, Straight Plug, 200cc/64cc
                        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. All heads feature a multi-angle Serdi valve job. 
  • Standard port 23° head
  • Accepts standard Chevy rocker arms and valve train components
  • 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
  • Designed for 2.02 intake and 1.60 exhaust valves
  • Unique exhaust port design for increased flow
  • Accepts either centerbolt or standard valve covers
  • Accepts standard studs and guide plates
  • Manganese bronze intake guides
  • Phosphor bronze exhaust guides
  • Thick deck surface allows angle milling
  • Approximate Compression Ratios Chevy 350 w/ Keith Black 474-120 flat top pistons:
    • 64cc = 10.2 to 1
    • 50cc = 12.04 to 1

Pro Action Features (Link)

Clearance!

NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

World Sportsman II Small Block Chevy Iron Heads, Straight Plug
                        

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.