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Thread: 2 liter Cyl. heads

  1. #1

    2 liter Cyl. heads

    Cleaning out the garage & I found some cyl. heads.
    They have part # R 901 104 303 04
    3-66 K18195
    I know they are for a 2 liter but not what model.
    Anyone know what model & if they are worth anything?

    Bernie in So. Cal.

  2. #2
    Senior Member
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    Measure the valve and port sizes. Reference Waynes (Pelican) book on page 201 for all the 2.0 valve and port sizes.
    Bob B
    Last edited by SIMI BOB; 02-09-2014 at 11:28 PM.

  3. #3
    the head chart
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  4. #4
    Moderator Chuck Miller's Avatar
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    Thumbs up

    Excellent chart ............
    Chuck Miller
    Creative Advisor/Message Board Moderator - Early 911S Registry #109
    R Gruppe #88

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  5. #5
    Part number for 2.8 ltr RSR is 911 104 042 01 .

  6. #6
    Senior Member
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    Really great chart! I have some heads with 901 104 305 02 and always thought it would be for a 67s. I was wondering about 901 104 005 02 for the 67s model. Are there different numbers?

    Intake Valve: 42mm
    Exhaust Valve: 38mm
    Intake Port: 35mm
    Exhaust Port: 33mm
    Production Date: 2-67
    Cast Mark: K1819C

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