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Thread: transmission shield

  1. #1
    Senior Member MASTER BUILDER
    Join Date
    Feb 2007
    Location
    Sweethome, OR
    Posts
    133

    transmission shield

    Does anyone know what nhra rules are on trans shields how long are they good for.
    Thanks
    CPT.RON

  2. #2
    Junior Member APPRENTICE
    Join Date
    Nov 2005
    Location
    NW MO.
    Posts
    13

    krazyken

    5 years

  3. #3
    Senior Member DYNO OPERATOR
    Join Date
    Oct 2004
    Location
    florence ky
    Posts
    498
    10.99 or 6.99 or faster than 135 mph must use a SFI Spec of 4.1

    9.99 Or quicker E.T and 135 MPH Must also use a flex Plate shield SFI Spec 30.1

    And the Cert is good for 5 years at least on the B&M shields anyway and i will have to look just to make sure but i think TCI's are also

    Hope that helps Ron


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