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Small Block Ford Canted Valve Cylinder heads for Windsor Series engines.
P-38 Features:
- Generates more power by means of canted, larger diameter inlet and exhaust valves; improved port velocities; deeper bowls with sweeping short turns in the intake and exhaust ports.
- Accommodates original equipment intake manifolds and exhaust headers for convenience
- Features intake valve angles of 8 x 4.5 degrees and exhaust of 10 x 4 degrees to increase air flow.
- Introduces maximum clearance between intake valve and cylinder wall, even at low valve lift with standard bore. This attribute also boosts the performance of small camshafts.
- Provides optional mounting holes for larger diameter headers as standard.
- Actuates valves that open toward the cylinder centers, hence gases are less encumbered by shrouding effect of cylinder walls.
- Equipped with Kaase P-38 cylinder heads, a modest camshaft, and an Edelbrock Junior intake, the 302, running on pump fuel and barely 9:1 compression ratio, easily generates 500hp @ 7500rpm.
- Produces dyno numbers of 700 to 750hp on a mildly built 427.
P-38 Cylinder Head Specifications:
| Chamber CNC machined: |
60 cc
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*Intake Runner Volume:*
|
240 cc
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Exhaust Runner Volume:
|
86 cc
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Intake Valve Diameter:
|
2.100
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Exhaust Valve Diameter:
|
1.600
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Intake Valve Length:
|
5.450
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Exhaust Valve Length:
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5.450
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Intake Valve Angle:
|
8
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Intake Valve Cant.:
|
4.5
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Exhaust Valve Angle:
|
10
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| Exhaust Valve Cant.: |
4
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Valve Spring Diameter:
|
1.550
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Valve Guide:
|
11/32
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* Intake runner Volume CC can not be compared to other Windsor cylinder heads because of deeper valve bowl area.
* Valve Spring Installed height up to 2.000 Flow Chart as Delivered @ 28'' Superflow SF-1020 Pro Bench
Intake
|
.200
|
156 cfm
|
|
.300
|
219 cfm
|
|
.400 |
265 cfm
|
|
.500
|
297 cfm
|
|
.600
|
308 cfm
|
|
.700
|
309 cfm
|
|
.750
|
311 cfm
|
|
|
|
| Exhaust |
.200
|
111 cfm
|
|
.300
|
142 cfm
|
|
.400
|
169 cfm
|
|
.500
|
185 cfm
|
|
.600
|
199 cfm
|
|
.700
|
208 cfm
|
|
.750
|
215 cfm
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Flow Chart with Conventional port work @ 28'' Superflow SF-1020 Pro Bench
(not a raised port)
Intake
|
.200
|
163 cfm
|
|
.300
|
232 cfm
|
|
.400 |
285 cfm
|
|
.500
|
328 cfm
|
|
.600
|
348 cfm
|
|
.700
|
350 cfm
|
|
.750
|
355 cfm
|
|
|
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Exhaust
|
.200
|
110 cfm
|
|
.300
|
153 cfm
|
|
.400
|
194 cfm
|
|
.500
|
222 cfm
|
|
.600
|
233 cfm
|
|
.700
|
238 cfm
|
|
.750
|
241 cfm
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Pricing:
Kaase P-38 Cylinder Heads are available complete ready to install or as bare castings.
- Complete assembled cylinder heads consist of Premium stainless steel valves, ARP Pro series rocker studs, Custom built guide plates, Competition Cams and Manley hardware, Manley Nextech valve springs on full roller cylinder heads, Pac or Competition Cams Bee Hive valve springs on hydraulic roller cylinder heads, flat tappet also available.
$2500.00 pair.
- Complete assembled cylinder heads come with Kaase cast P-38 valve covers and valve cover gaskets.
- Bare P-38 cylinder heads are machined and ready to assemble. $795.00 each.
- P-38 cast aluminum valve covers $99.00 pair.
- Valve cover gaskets $40.00.
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