CNC Ported cyl. Heads
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Ford Heads
CLEV 2V CAST IRON COMPETITION PORTED CYLINDER HEADS -192CC
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FORD 2V CLEVELAND CNC PORTED / ASSEMBLED CYLINDER HEADS
RECOMMENDED USE AND INFO:
Suitable for 351 to 408 cubes Cleveland Stroker Engines.
These CNC ported Ford 2V Cast Iron Cleveland cylinder heads produce 505HP normally aspirated at 7000 Rpm with our custom Pavtek solid camshaft and a TFC single plane intake manifold. They also produce an impressive 481 HP @ 6800 Rpm with an Edelbrock Rpm Airgap dual plane intake. These cylinder heads are for the Ford enthusiast that wants to retain the authentic OEM look and would prefer not to use aftermarket heads. The OEM cylinder head has many flaws in it's original design and we have spent countless hours re-developing these ports to achieve the maximum power potential within the restrictions of the factory castings.
We have also modified the shape of the OEM 2V close chamber cylinder heads to enable them to be used on 351 and larger cubic inch engines. Combustion chamber volumes are available between 62 to 72cc depending on how much the heads are final milled. The cost of machining the cylinder heads to suit screw in studs is also included in the price of the CNC porting.
On a 383 c.i Cleveland with a mechanical Street Roller camshaft these heads had enough flow to produce 480 Ftlbs @5250 and 547 HP @ 6500 Rpm all with just 10.5:1 Compression.
| Description | Pavtek Part # | Price |
| CNC Ford Cleveland Ported & Assembled Heads - 302 2V Castings | H351C401S | $3400 |
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Valve Springs & Retainers Suitable for Hydraulic & Solid Flat Tappet Cams |
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Also suitable for Mild Hydraulic Roller Cams - Up to 226@.050" Duration |
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Consists of : |
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| Valves - New Stainless Steel Intake & Exhaust - Ferrea | ||
| Springs - HP Dual with dampner ( Isky 8005-A ) | ||
| Retainers - New HP chrome moly 10 Degree retainers | ||
| Valve Locks - 10 Degree | ||
| Valve Spring Locaters | ||
| Valve Stem seals - Crane teflon | ||
| 5 Axis CNC Competition Porting - Chambers/ Intake/ Exhaust | ||
| Machined to suit screw in studs | ||
| Pressure test of cylinder heads after porting | ||
| 5 Angle valve job | ||
| Backcut intake valves | ||
| K- Line bronze valve guides - honed | ||
| Surface milled | ||
| Spring pads machined to suit spring locaters | ||
| Machined to suit teflon Seals | ||
| Springs measured & setup to suit cam to be used | ||
| Final washed and assembled | ||
| Price Based On Change Over | ||
| Optional LPG Exhaust Seat Inserts Also Available | ||
| CNC Ford Cleveland Ported & Assembled Heads - 302 2V Castings | H351C401HR | $3695 |
| Suitable for Hyd. Roller & Street Solid Cams with 226+ Duration @.050" | ||
| Includes: Upgraded Valve Springs & Retainers over the H351C401S | ||
| Cleveland 2V Cast Iron CNC Head & Cam Package : |
HC351C4011 | CALL |
| Consists of : | ||
| CNC ASSEMBLED HEADS | ||
| PT351C-25201S ( Solid Pavtek custom camshaft ) | ||
| 1 set (16) Solid lifters | ||
| Cleveland 2V Cast Iron CNC Porting Only : | CNC351C401 | $1062 |
| 5 Axis CNC Competition Porting - Chambers/ Intake/ Exhaust | ||
| Machined to suit screw in studs | ||
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No other prep work included
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ALL PRICING ABOVE IS BASED ON CHANGE OVER OR MACHINING OF YOUR CYLINDER HEADS
CORES ARE AVAILABLE AT AN ADDITIONAL CHARGE- CALL FOR CURRENT PRICING.
| TECHNICAL SPECIFICATIONS : | |
| Intake Valve Diameter: | 2.070" |
| Exhaust Valve Diameter: | 1.650" |
| Intake Port Volume: | 192cc |
| Exhaust Port Volume: | 110cc |
| Chambers CNC Machined | Yes |
| Chamber Volume: | 62-72cc |
| Minimum Intake CSA | 2.400" |
| 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 | 4.030" |
| Exhaust Flow figures with pipe | No |
VALVE LIFT
| .100" | .200" |
.300" |
.400" |
.500" |
.600" |
.700" |
.800" |
.900" |
1.000" |
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| Intake Flow @28" H2O | 76.57 | 157.04 | 220.72 | 260.99 | 281.99 | 279.25 | 282.52 | 285.11 | NA | NA |
| Exhaust Flow @28" H2O | 65.23 | 111.52 |
138.83 |
162.62 | 180.23 | 195.72 | 207.05 | 217.88 | NA | 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
