Big block header identification.

Discussion in 'Mopar Exhaust Systems' started by thesiren74, Oct 11, 2018.

  1. thesiren74

    thesiren74 Well-Known Member

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    Will these fit my 74 duster? 1 7/8" primaries and slip together into the collector, i bought them in 02' they are headman headers.

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  2. Mopar to ya

    Mopar to ya Well-Known Member

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    Maybe. They look like long tube truck headers though. Maybe it's the close up and out of the vehicle that makes it look like that, but I don't remember my tubes being that long. Also, you don't say what motor, tranny, etc. What did they come off of? You must have had some idea before you bought them I would assume.
     
  3. thesiren74

    thesiren74 Well-Known Member

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    I bought them new in 2002 from summit, they were supposed to go on my 383 i had for my old 67 dart. I didn't know much about abody headers back then so i listened to the summit tech.
     
  4. brian6pac

    brian6pac Well-Known Member

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    I would look the flanges over real good there might be a number stamped in
     
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    • thesiren74

      thesiren74 Well-Known Member

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      I also have these i got for free years ago, they say mr.gasket on the reducers but who knows. I'm trying to use one or the other on my 413 in my 74 duster.

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    • 1Fast340

      1Fast340 Well-Known Member

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      On the first pair i would say,nope not a chance. The Hedman headers that seem to almost kind of fit with alitle help from the tolerance adjuster most of the time on Abodys with manual stearing is the 1 3/4" B body headers.
      The second set from MR gasket may have some kind of chance.
       
    • qkcuda

      qkcuda Well-Known Member

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      The second set look like Hedman 1 3/4 headers. I had them on my 400 in the Barracuda. They need some dinging and denting, but will fit, manual steering only.

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      • thesiren74

        thesiren74 Well-Known Member

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        I can live with denting, im going to try both sets, just don't have the right now for tti's.