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Old 06-15-2005, 06:58 PM   #1
PDXTuning
NASIOC Vendor
Vendor Sales Rating: (9)
 
Member#: 49831
Join Date: Dec 2003
Chapter/Region: NWIC
Location: www.pdxtuning.com
Vehicle:
2008 Get Tuned Now
Knowledge is Power

Default Don't wait for custom headwork - Cosworth 10K RPM Heads IN STOCK

Cosworth Performance STi Heads

One major drawback to any high HP motor build is the inevitable long wait for custom head work. Recognizing the growing market for high HP engine builds and the difficulty most face when putting together equally capable heads GP-moto and PDXTuning are happy to bring a complete high flow 2.5 STi heads by Cosworth to the Nasioc community..

We now have 5 sets of these heads in stock and ready to complete your ultimate engine build.

Here are the features:

- New US STi castings
- CNC ported
- Hand blended finish work
- 4 angle inlet valve job
- 3 angle and radiused exhaust valve job
- lappled valves
- 1mm oversize Stainless Steel intake valves (1800 degree max)
- 1 mm oversized Inconel Exhaust valves (2400 degrees max)
- Performance valve springs
- Titanium retainers
- Hardened Steel Spring platforms

- Intake path -15% Flow increase over stock
- Exhaust path - 31% Flow increase over stock


Just add your choice of performance cams and properly sized buckets and you are ready to go.

5 sets IN STOCK and ready to ship
3799.00 + shipping

To order or for question contact PDXTuning
sales@pdxtuning.com
971-221-7825



Cosworth Head Pictures
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Last edited by PDXTuning; 06-17-2005 at 02:22 PM. Reason: mistakes
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Old 06-15-2005, 11:00 PM   #2
jaxscuby
Sammo Hung
Moderator
Member Sales Rating: (23)
 
Member#: 10613
Join Date: Sep 2001
Chapter/Region: South East
Location: F L O R I D A
Vehicle:
2002 USDM WRX
WRB

Default

sweet...now to come up with the cash..
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Old 06-15-2005, 11:27 PM   #3
Kwyjibo
Scooby Specialist
Member Sales Rating: (8)
 
Member#: 17851
Join Date: Apr 2002
Vehicle:
2003 WRX
R.I.P. 7.27.2005

Default

ohh man, Cosworth suby heads?

Awesome.
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Old 06-16-2005, 11:09 AM   #4
ride5000
Scooby Guru
Member Sales Rating: (3)
 
Member#: 32792
Join Date: Feb 2003
Chapter/Region: NESIC
Location: lincoln, ri
Vehicle:
2003 GGA MBP
12.9 / 105+

Default

very nice. i need a better-paying job.
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Old 06-16-2005, 12:13 PM   #5
CMJ
Scooby Specialist
Member Sales Rating: (4)
 
Member#: 39235
Join Date: Jul 2003
Location: L.A., CA
Default

Very nice.

Why usdm and not jdm big port?
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Old 06-17-2005, 02:20 PM   #6
PDXTuning
NASIOC Vendor
Vendor Sales Rating: (9)
 
Member#: 49831
Join Date: Dec 2003
Chapter/Region: NWIC
Location: www.pdxtuning.com
Vehicle:
2008 Get Tuned Now
Knowledge is Power

Default

Quote:
Originally Posted by CMJ
Very nice.

Why usdm and not jdm big port?
These heads use US STi AVCS capable cams with the associated cam position sensor. This means that these are truely bolt on for the US STi and when AVCS capable aftermarket cams are available these heads will be ready.

Another reason is that the US STI head castings are easier to come by.... Just order from subaru

Eventually PDXTuning will test these heads and offer some hard performance numbers..... if i only had the time and money to put these on my own STi

Cheers
Bailey

Last edited by PDXTuning; 06-17-2005 at 02:29 PM.
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