023005C BMP MAN O'WAR 18° SBF CNC PORTED 228/64CC BARE HEADS SEATS CUT 2.08/1.6
*These heads are bare and do not include any parts in picture.
Casting ID Number: WOR-080
Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Spring Seats: Machined for 1.560"
Valves: Manley stainless steel valves in assemblies
Guide Plates: Special World part #830462-8
Rocker Arm Studs: Screw-in style
Rocker Arms: Adjustable rockers recommended. 1.6 ratio (use of 1.73 ratio will require elongation of pushrod holes)
Intake runner : 200cc or 225cc, standard port location
Exhaust Ports: 65cc or 66cc, standard location (dual exhaust bolt pattern to accommodate large custom headers)
Combustion Chamber: 64cc
Spark Plug: 14mm .750" reach gasket style
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised
Valve Angle: Stock 18°
Accessory Bolt Holes: Stock
Spring Specs: Bare
CNC Ported 228cc @ .800 Lift
306 intake, 217 exhaust (Super Flow 1050)
326 intake, 236 exhaust (Super Flow 600)
All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.
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Warning: May cause cancer and reproductive harm.