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Thread: Need Help Identifing Small Block Cylinder Heads
          
   
   

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  1. #1
    chris_jeanie is offline CHR Junior sMember Visit my Photo Gallery
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    Need Help Identifing Small Block Cylinder Heads

     



    Hello, I have a set of High Performance Cylinder Heads off an older Chevy 350 engine. On the side of the heads near the bottom says Bill Mitchell and there is a stamping that has the numbers 378. On the heads their is the numbers 11 21 between the springs. They are angle plug heads. Any other info would be great.[IMG][/IMG]

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  2. #2
    glennsexton's Avatar
    glennsexton is offline CHR Member/Contributor Visit my Photo Gallery
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    Car Year, Make, Model: 63 Nova SS
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    Welcome to CHR!

    Bill Mitchell Products - they look to me like World Products Sportsman II cast iron heads (big valves). If they have no cracks, these should be decent head for mild to mid-level build. Probably worth 50 horse over stock.
    "Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil

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