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SBF 205cc CNC Bare Cylinder Head Price:¥ Id:SBF 205cc Place of origin:CHINA

SBF205 CNC Bare Cylinder Head

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SBF205 CNC Bare Cylinder Head




MaterialA356.2 Aluminum
Intake Port Volume203cc
Intake seat size2.08
Exhaust seat size1.6
Intake Port Dimension2.115" H x 1.300" W x 3/8 Radius
Intake Port LocationStock
Exhaust Port Volume70cc
Exhaust Port Dimension1.400" H x 1.400" W
Exhaust Port LocationRaised .125"
Combustion Chamber Size58cc 
Valve Cover Bolt PatternPerimeter Bolt
Valve Angle20°
Valve Spring Pocket Diameter1.580" O.D
Max Valve Spring Pocket Machining1.625" O.D
Deck Thickness.750"
Minimum Bore Diameter4.000"
Flat Mill.006" per cc 54cc Max (from 58cc); 68cc Max (from 72cc);
Angle Mill.009" per cc 48cc Max (from 58cc); 62cc Max (from 72cc);
Minimum Cross Sectional Area2.165 sq. in.
Spark Plug Dimensions14mm x .750" w/Gasket Seat
Head Bolt Diameter1/2"






Recommended Components:

Rocker Type Mount

8mm Bead Lock Intake Valve, 2.080" x 5.000" Overall Valve Length

8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length

PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400 (upgrades available)
10° Manley Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D

10° Bead Lock Valve Keepers with lashcap recess

ARP 7/16" Rocker Studs

Adjustable 5/16" Guide Plates

Viton Valve Seals .600" O.D x .495" I.D

Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D

Powder Metallurgy Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep

Powder Metallurgy Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep

8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L

Recommended Components:

Intake Port Gasket, 1.200" X 2.000" w/ 3/8" radius, Fel-Pro #1262

Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads.
Exhaust Port Gasket, Fel-Pro #1487

Head Gasket, Fel-Pro #1011-1

SB Ford 1/2" Bolt Head Bolt Kit, ARP #154-3603

SB Ford 1/2" Bolt Head Stud Kit, ARP #254-4503

1/2" Bolt - 7/16" Thread Head Bolts, ARP 254-3708

Head Bolt Washer Kit, Manley

Stud Girdle

Suggested ManifoldSuper Vic or Vic Jr.
Spark Plug Starting RangeAutolite 3922


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Model NumberIntake Port Volume Exhaust Port VolumeCombustion Chamber SizeValve Angle
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BBM 210/BBM 240 Valve Intake/Exhaust




BBM 210/BBM 240 Spring




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SBC180/SBC200 Spring Retainer




SBC180/SBC200 Locker




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