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Welcome to the 928 Specialists Online Store!
The First and Only 928 Online Store that allows you to search for the products you need for your specific 928 Model Type.
PLUS, the largest online 928 Catalog ever seen for the Porsche 928!

All of this can only be found at one place, and ONLY here at the 928 Specialists Online Store!

If you are restoring a 77, maintaining a 95 GTS, or anything in-between, 928 Specialists can help you with all aspects of the Restoration, Preservation and Enhancement of your 928.
Check out the "928 Tips/Links" section in the left menu for Technical Information including Free Fuse & Relay Charts for all 928s to aid you with your repair and troubleshooting needs.

Here at 928 Specialists we have been taking care of our fellow 928 Owners full time for over 27 years.
928s and their owners have always been our exclusive focus, and we truly are...

".. dedicated to the Restoration, Preservation, and Enhancement of YOUR Porsche 928"

Start your journey thru the 928 Specialists Online Store by using the "928 Explorer" menu on the left.
Thanks for visiting us and for considering 928 Specialists for Your 928 needs!

928 Specialists New Products for Your 928!

Project Nine - Cam Cover Breather Fittings (OE Replacement)

PROJECT NINE Cam Cover Breather Fittings for 87-95 928 S4/GT/GTS


These newly designed fittings are a direct replacement for your stock fittings! No modifications to your cam covers are required!

The fittings flow better than the stock fittings and feature an integrated oil air separator which will reduce engine oil consumption.

Cam Cover removal is required for installation. New Cam Cover gaskets, spark plug seals, and bolt pressure seals are HIGHLY recommended.

This collection of fittings is machined from 6061 with stainless steel hardware. The breather fittings are anodized in satin clear.

Blanking plugs for the left-side cover are available in either satin clear anodizing or bright black anodizing if you want to replace the OEM plastic parts with ones that will seal better but look similar to stock.

All the breather fittings have been designed with the largest possible bore to reduce crankcase gas velocity. Unlike the OE fittings, there are no internal restrictions.

All fittings can be installed in either the left or right position, there is no “handedness.” Sealing of the breathers is improved by adding a second seal on the face between the valve cover and the baffle nut.

The baffle nut has more open cross-sectional area than the port itself, but adequately shrouds the inlet and resists any vacuum scavenging via multiple openings.

Ordering information:

The “kits” below are for both Cam Covers in a stock configuration. Choose either S4/GT or GTS depending on your application.

Since the blanking plugs are available in both clear satin and bright black anodized, select the blanking plugs in your color choice.

There are two options available for the recommended seal kit: one side or both sides.
Or taking your chances on having to open her back up again (this option is NOT recommended).

There is also a selection for a single item “a la carte” for custom applications – or if you are only doing part of one or both sides.

S4/GT kit includes:
2: P9-OC06 Breather Elbows
2: P9-OC08 Blanking Plugs

GTS kit includes:
3: P9-OC06 Breather Elbows
1: P9-OC08 Blanking Plugs

The recommended seal kit includes:
2: Cam Cover Gaskets
8: Spark Plug seal
26: Cam Cover Bolt Pressure Seals
(Or half of this if you select the single side.)

Show me more specials...


928 Specialists is proud to announce the addition of the "PROJECT NINE" line of parts!

New products being added weekly!

Type P9 into the search box for a complete listing


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