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#8241112
World Sportsman II Small Block Chevy Iron Heads, Angle Plug
2 Reviews
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26 Questions
- Has fully machined rocker cover rails
- Has 200cc intake and 69cc exhaust ports
- These cylinder heads offer 30-70 horsepower gains over OEM cast iron heads
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$1,038.12
pair
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$1,604.99
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Product Summary
302, 305, 307, 327, 350, 377, 383, 395, 400, 421, 434
- Has fully machined rocker cover rails
- Has 200cc intake and 69cc exhaust ports
- These cylinder heads offer 30-70 horsepower gains over OEM cast iron heads
- Has a higher, wider, raised roof intake runner with improved short turn radius
- Intake valve diameter measures 2.020" and the exhaust valve diameter measures 1.600"
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Key Specs
| Cylinder Head Style | Select Assembled/bare |
| Material Type | Cast Iron |
| Finish | Natural |
| Combustion Chamber Volume | 64cc |
| Intake Runner Volume | 200cc |
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Details
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
Please specify cam lift in comments section when ordering heads.
Assembled heads are built to order.
Item Details
Angle Plug, 64cc ChambersWissota Approved #1115
Charts
- 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
Specifications
Specifications
| KEY SPECS | |
|---|---|
| Brand | World Products |
| Cylinder Head Style | Select Assembled/bare to see |
| Material Type | Cast Iron |
| Finish | Natural |
| Combustion Chamber Volume | 64cc |
| Intake Runner Volume | 200cc |
| GENERAL | |
| Exhaust Runner Volume | 69cc |
| Combustion Chamber Volume Range | 60cc - 69cc |
| Intake Runner Volume Range | 200cc - 209cc |
| Exhaust Runner Volume Range | 60cc - 69cc |
| Spark Plug Style | Angle |
| Intake Port Shape | Rectangle |
| Exhaust Port Shape | Square |
| Intake Valve Diameter | 2.06" |
| Exhaust Valve Diameter | 1.6" |
| Sold in Quantity | Pair |