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 | ||
