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Ford Heads

 

WINDSOR RHS CNC

"RACEPORT" CYLINDER HEADS

 

 

TECHNICAL SPECIFICATIONS :
Intake Valve Diameter: 2.020"
Exhaust Valve Diameter: 1.600"
Intake Port Volume: 197cc
Exhaust Port Volume: 72.4cc
Chambers CNC Machined Yes
Chamber Volume: 58-64cc
Spark Plugs Angled
Minimum Intake CSA x.xxx"
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 4.000"
Exhaust Flow figures with pipe          NO

 

 

VALVE LIFT
.100" .200"
.300"
.400"
.500"
.600"
.700"
.800"
.900"
1.000"
Intake Flow @28" H2O 75.3 153.4 201.9 255.9 281.8 295.6 301.7 303.5 305.3 306.8
Exhaust Flow @28" H2O 53.9 100.5 135.4 158.9 181.6 193.9 203.5 210.3 214 214.9

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 347+ cubes windsor stroker engines.

These cylinders produce 550+HP on our 363 Windsor combo by 7000 RPM with a solid camshaft and on pump fuel. They would produce over 600 with a solid roller camshaft & more compression.

They also produce over 480HP with a mild hydraulic camshaft by 6100 RPM on pump fuel. ( 363 Cubes )

Heads must be used with a minimum extractor primary pipe size of 1.750" (1 3/4")

 

 

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.

CNC363W301 Call
     
Assembled Cylinder Heads -
H363W301S $ 2865

Consists of :

  Outright
Valves - New Stainless Steel Intake & Exhaust  - Ferrea    
Springs - Dual HP ( EITHER ISKY OR CRANE )    
Retainers - New HP chrome moly retainers    
Valve spring locaters    
Valve Locks - Comp Cams Chrome Moly    
Valve Stem seals - Crane teflon    
5 Axis CNC Competition Porting - 100% Intake/ Exhaust    
Multiangle Valve Seat Geometry    
Backcut valves    
Valve guides clearance checked & honed if required    
Surface milled to your desired CC's ( 58 to 64 CC's )    
Springs measured & setup to suit cam to be used    
Final washed and assembled