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SBC 200CC SPORTSMAN II
Assembled Heads: Mech. Flat Tappet or Hydraulic Roller Cam
1.437": 125 lbs. @ 1.850", 340 lbs. @ 1.210", coil bind @ 1.160"
MAX LIFT @ .600"
Sportsman II, SBC Iron Head, 64cc, straight plug
Assembled The first true aftermarket performance cylinder head, good for 30-70HP over stock, and emissions legal! The industrys 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, Worlds 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. 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: Stock
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 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.. 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.
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Bell housings
Air & Fuel