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Thread: FS: 911 ST Preschona Oil Pressure Relief Valve

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  1. 10-05-2018, 04:19 PM #1
    914-6gt
    914-6gt is offline
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    FS: 911 ST Preschona Oil Pressure Relief Valve


    Price: $3,500


    • 1971 PORSCHE 911 ST EARLY RACING PART
    • Porsche Part Number: 901.107.285.20
    • Fully Adjustable Opening Pressure (unlike the later 911 RSR Valve)
    • Indispensable Component of an Endurance Porsche Vintage Racing Car
    • Central to a Racing External Oil Cooling Dry-Sump Lubrication System
    • Limited production, not many made. More pictures here


    A perfect reproduction of the OEM Preschona Oil Pressure Relief Valve, many years in the making.
    This is a 'first generation' exacting copy of my "NOS" original Preschona Valve and not 'a-copy-from-a-copy' produced by anyone else.
    In order for me to reproduce this rare oil pressure relief valve, my "NOS" and "OEM" valve was used.
    Even its internal spring was made in three attempts, until it was duplicated correctly matching the 'specs' of the original coil. This valve is perfect in every way.

    914-6 GT Preschona Oil Pressure Relief Valves - Photo 00a.jpg

    20180808_145723c.jpg

    20180808_145726c.jpg

    20180808_145729c.jpg

    20180808_145732c.jpg

    20180808_145855c.jpg

    20180808_145738c.jpg

    Link to thread where these photos were borrowed...

    Early911Sregistry 911 ST Preschona Oil Pressure Relief Valve - Photo 01a.jpg

    Early911Sregistry 911 ST Preschona Oil Pressure Relief Valve - Photo 02a.jpg

    Early911Sregistry 911 ST Preschona Oil Pressure Relief Valve - Photo 03b.jpg

    Feel free to contact me with any questions. Thank you.
    Last edited by 914-6gt; 10-06-2018 at 04:44 PM.
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