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SPORTSMAN II Iron Heads
World Products' Small Block Chevrolet Iron Heads

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The first true aftermarket performance cylinder head, good for 30-70HP over stock, and emissions legal! 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 (E.O. #D-343-1). World has expanded its selection of SPORTSMAN II heads to include special marine versions equipped with 10° valve locks, Nitrile umbrella seals and high-temp inconel exhaust valves.

Approved by IMCA
Approved by The Inl. Motor Contest Association.
Approved for use by The Amsoil Dirt Track Series.


TECHNICAL 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"
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.020"" intake, 1.600" exhaust (11/32" stem)
Guide Plates: Not Included
Rocker Arm Studs: Not Included
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 or 72cc, straight or angled plug orientation
Spark Plug: 14mm 5/8" .460" reach tapered style. Accel 276 or 276S or equivalent.
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
50-State Emissions legal
Accepted by most oval tracks and sanctions as stock replacements.
Check with rule book.

011150 World Products Sportsman 200cc Iron
Head Flow Data


Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.020 ------- 191 -- 231 -- 246 -- 256 -- 253 -- 254
1.600 ------- 123 -- 142 -- 156 -- 172 -- 183 -- 191

Methods used: Superflow 600, Flowed at 28" with a bowl blend 1" down, 1" radiused
entry plate on the intake port, No exhaust tube, Using Manley Race Master valves.

SPORTSMAN II
HEAD ASSEMBLY BUYING GUIDE

Use this guide to match your Cam Spring Specs to our Assembled Heads & choose which assembly you need from the choices below. Please Note: Bare Heads contain no Valves. 

-1 Assembled Heads: Hydraulic Flat Tappet Cam
1.250": 110 lbs. @ 1.700", 300 lbs. @ 1.250", coil bind @ 1.160", max lift
MAX LIFT @ .500""


-2 Assembled Heads: Mech. Flat Tappet or Hydraulic Roller Cam
1.440": 135 lbs. @ 1.800", 320 lbs. @ 1.200", coil bind @ 1.125"
MAX LIFT @ .600"


-3 Assembled Heads: Solid Roller Cam
1.540": 190 lbs. @ 1.900", 450 lbs. @ 1.300", coil bind @ 1.200"
MAX LIFT @ .660"

SPORTSMAN II Iron Heads
SPORTSMAN II Iron Heads SPORTSMAN II Iron Heads SPORTSMAN II Iron Heads
SPORTSMAN II Iron Heads SPORTSMAN II Iron Heads SPORTSMAN II Iron Heads
 
 
product variations
 
011150 Sportsman II, SBC Iron Head, 200cc Intake, 64cc Chamber, Angle plug
Choose Bare or Assembled
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$392.84
Quantity 
 
 
 
11150-1 Sportsman II SBC Assembled Iron Head, 200cc Intake, 64cc Chamber, Angled plug
For hydraulic flat tappet cams w/ 1.250" spring assembly
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$618.51
Quantity 
 
 
 
11150-2 Sportsman II SBC Assembled Iron Head, 200cc Intake, 64cc Chamber, Angle plug
For mechanical flat tappet and hydraulic roller cams, w/ 1.440" spring assy.
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$648.41
Quantity 
 
 
 
11150-3 Sportsman II SBC Assembled Iron Head, 200cc Intake, 64cc Chamber, Angle plug
For mechanical roller cams, w/ 1.540" spring assy (.660" max lift).
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$683.46
Quantity 
 
 
 
011250 Sportsman II, SBC Iron Head, 200cc Intake, 64cc Chamber, Straight plug
Choose Bare or Assembled
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$392.84
Quantity 
 
 
 
11250-1 Sportsman II SBC Assembled Iron Head, 200cc Intake, 64cc Chamber, Straight plug
For hydraulic flat tappet cams w/ 1.250" spring assembly
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$618.51
Quantity 
 
 
 
11250-2 Sportsman II, SBC Iron Head, 200cc Intake, 64cc Chamber, Straight plug
For mechanical flat tappet and hydraulic roller cams, w/ 1.440" spring assy.
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$648.41
Quantity 
 
 
 
11250-3 Sportsman II, SBC Iron Head, 200cc Intake, 64cc Chamber, Straight plug
For mechanical roller cams, w/ 1.540" spring assy (.660" max lift)
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$683.46
Quantity 
 
 
 
012150 Sportsman II, SBC Iron Head, 200cc Intake, 72cc Chamber, Angle plug
Choose Bare or Assembled
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$392.84
Quantity 
 
 
 
12150-1 Sportsman II SBC Assembled Iron Head, 200cc Intake, 72cc Chamber, Angle Plug
For hydraulic flat tappet cams w/ 1.250" spring assembly (.500" max lift)
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$618.51
Quantity 
 
 
 
12150-2 Sportsman II SBC Assembled Iron Head, 200cc Intake, 72cc Chamber, Angle Plug
For mechanical flat tappet and hydraulic roller cams, w/ 1.440" spring assy (.600" max lift)
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button
$648.41
Quantity 
 
 
 
12150-3 Sportsman II, SBC Iron Head, 200cc Intake, 72cc Chamber, Angle Plug
For mechanical roller cams, w/ 1.540" spring assy (.660" max lift)
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$683.46
Quantity 
 
 
 
012250 Sportsman II, SBC Iron Head, 200cc Intake, 72cc Chamber, Straight plug
Choose Bare or Assembled
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$392.84
Quantity 
 
 
 
12250-1 Sportsman II SBC Assembled Iron Head, 200cc Intake, 72cc Chamber, Straight plug
For hydraulic flat tappet cams w/ 1.250" spring assembly
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$618.51
Quantity 
 
 
 
12250-2 Sportsman II SBC Assembled Iron Head, 200cc Intake, 72cc Chamber, Straight plug
For mechanical flat tappet and hydraulic roller cams, w/ 1.440" spring assy.
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$648.41
Quantity 
 
 
 
12250-3 Sportsman II, SBC Iron Head, 200cc Intake, 72cc Chamber, Straight plug
For mechanical roller cams, w/ 1.540" spring assy (.660" max lift)
TO PURCHASE: Please "click" the small box to the right of the "BUY NOW" button first.
$683.46
Quantity 
 
 
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