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Cal Custom valve covers?

Discussion in 'The Hokey Ass Message Board' started by kuztomklaus, Jun 1, 2006.

  1. I just bought a set of Cal Custom valve covers. My questian is is this totaly a 60's thing or were they produced in the 50's also?
    Anybody out there who knows?


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  2. evltwin
    Joined: May 11, 2006
    Posts: 73

    from Milford MI

    I think they were produced in the '50s also. I have seen many that have the bolt holes not aligned top and bottom. The early chevy heads had a bolt pattern for the valve covers that placed the top two holes at a different spacing than the bottom two holes.
  3. swifty
    Joined: Dec 25, 2005
    Posts: 1,829


    I saw two sets today - one with equally spaced holes and one with the staggered holes. The equal spaced ones were made in Japan and from the way the guy was talking the staggered ones were the Gardena version. When did Chevvy change the hole spacing? i thought it was early 60's.

    Joined: Nov 22, 2005
    Posts: 7,591

    from SIDNEY, NY

    It was a mid year change some time in '59.

    Joined: Apr 9, 2002
    Posts: 1,783

    First version: sand-cast, no name, seven fins
    Second version: die-cast, "Gardena", six fins
    Third version: die-cast, "Japan", six fins

    They also made them with nine fins and flat tops, with and without breather and PCV provisions.

    Dave Mann
    (602) 233-8400 weekdays

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