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home > Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BARE > Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BARE
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Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BAREPart Number: PFEAHC18064SP BARE Proflow Cylinder Heads, AirMax 180,SB Chev Aluminium, Bare, 64cc Chamber Proflow does not sacrifice quality for a low price you get both with our aluminium cylinder heads. The lightweight heads are cast from A 356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289 351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and
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Part Number: PFEAHC18064SP-BARE

Proflow Cylinder Heads, AirMax 180,SB Chev Aluminium, Bare, 64cc Chamber

Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.

SPECIFICATIONS

Material A356 Aluminium
Intake Port Volume 180cc
Intake seat size 2.02
Exhaust seat size 1.6
Intake Port Dimension 2.050" H x 1.250" W x 5/16° Radius
Intake Port Location Stock
Exhaust Port Volume 64cc
Exhaust Port Dimension 1.450" H x 1.550" W
Exhaust Port Location 0.100" Raised
Combustion Chamber 65cc or 72cc
Valve Cover Bolt Pattern Perimeter Bolt
Valve Angle 23°
Valve Spring Pocket Diameter 1.460" O.D
Max Valve Spring Pocket Machining
Warning: Do not machine spring pad any deeper.
1.750" O.D
Deck Thickness .750"
 Minimum Bore Diameter 4.000"
Flat Mill .006" per cc 60cc Maximum
Angle Mill
Note: Angle mills might require .120 thick intake gasket.
.009" per cc 55cc Maximum
Minimum Cross Sectional Area 1.810 sq. in.
Spark Plug Dimensions 14mm x .750" w/Gasket Seat
Carb EO# D-250-2
Straight Plug Angle Plug option
     
     
Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads.  
8mm Bead Lock Intake Valve, 2.020" x 4.900" Overall Valve Length Ferrea   
8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length Ferrea   
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring,    
140 lbs on seat, .600" maximum lift, Max RPM 6300-6500    
7° Manley Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D    
7° Bead Lock Valve Keepers  
 3/8" Rocker Studs    
 5/16" Guide Plates    
Viton Valve Seals .600" O.D x .495" I.D    
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D    
Powder Metallurgy Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep    
Powder Metallurgy  Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep

Cylinder Heads, Aluminium, Bare, SB Chev, 64cc Chamber, Straight Plug, 180cc Intake Runner, Pair - PFEAHC18064SP-BARE

Item no : 73001089339
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US$ 515.50
Pay in 4 interest-free payments of $128.88 Learn more
Min. order: 1piece

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