Ford Heads

 

WINDSOR EDELBROCK 15DEG CNC

COMPETITION PORT HEADS- 290CC

 

 

TECHNICAL SPECIFICATIONS :
Intake Valve Diameter: 2.180"
Exhaust Valve Diameter: 1.625"
Intake Port Volume: 290cc
Exhaust Port Volume: 95cc
Chambers CNC Machined Yes
Chamber Volume: 52-62cc
Spark Plugs Angled
Minimum Intake CSA 3.000"
Maximum Intake CSA x.xxx"
Minimum Exhaust CSA x.xxx"
Maximum Exhaust CSA x.xxx"
Intake Seat Angle 45
Exhaust Seat Angle 45
Flow Test Bore Size 4.155"
Exhaust Flow figures with pipe          Yes 2.000" OD X only 2" Long

 

 

VALVE LIFT
.100" .200"
.300"
.400"
.500"
.600"
.700"
.800"
.900"
1.000"
Intake Flow @28" H2O 76.4 165.2 227.4 286.7 334.5 362.3 371.6 376.9 384.7 385
Exhaust Flow @28" H2O 50.4 107.8 157.9 197.1 229.1 249.3 259.6 266.6 269.4 NA

Flow figures are not inflated for sales purposes.

Calibration is performed on both Intake & Exhaust side of bench from 50 to 450 cfm using 11 sharp edge orifice plates.

Flow bench numbers should not be the primary concern when purchasing your next set of cylinder heads.

Porting for Power ! NOT Flow Bench Numbers - Click Here for more info

 

RECOMMENDED USE AND INFO:

Suitable for 393+ cubes Windsor stroker engines.

These cylinders heads produce 710+HP on our 461 Windsor combo by 6350 RPM with a Hydraulic Roller camshaft and on pump fuel.( Long Engine Package # L461W401HR ) Click Here for More details.

They would produce 800HP with a solid roller camshaft, more compression & racefuel.

Heads must be used with a minimum extractor primary pipe size of 2.000" - We recommend SPD Header Plates # F87365

Offset Shaft Rockers Required - In stock at Pavtek

We also have a CNC program to port intake for straight fit onto 9.5" DH Windsor Block - Call

 

 

Description Pavtek Part # Price  
5 AXIS CNC PORTING ONLY:    

5 Axis CNC Competition Porting - Chambers/ Intake/ Exhaust -

Does not include cleaning, crack testing, valve guides, milling etc.

CNC461W401 $ 1550
     
Assembled Cylinder Heads - Suit Hyd Roller Camshaft
H461W401HR $ 4210

Consists of :

  Outright
Edelbrock Raw Castings    
Valves - New Stainless Steel Intake & Exhaust  - 2.180"x1.625"    
Springs - Dual HP ( EITHER ISKY OR CRANE )    
Retainers - New Titanium Retainers ( Manley)    
Valve spring locaters    
Valve Locks - Comp Cams Chrome Moly    
Valve Stem seals - Crane teflon    
5 Axis CNC Competition Porting - 100% Intake/ Exhaust / Chambers    
Multiangle Valve Seat Geometry (45 degree seats )    
Backcut valves    
Valve guides clearance checked & honed if required    
Surface milled to your desired CC's ( 52 to 62 CC's )    
Springs measured & setup to suit cam to be used    
Final washed and assembled