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ls heads

This is a discussion on ls heads within the Internal Engine forums, part of the LSx Technical Help Section category; what heads come on the 2007 suburban and trailblazer? I read somewhere that by 2007 243 heads were no longer ...

  1. #1
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    triple black
    02 z28 m6

    ls heads

    what heads come on the 2007 suburban and trailblazer? I read somewhere that by 2007 243 heads were no longer used.

  2. #2
    Member c5z28's Avatar
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    On your ass flashing
    my highbeams

    317 heads were used on suvs which are a lower compression than the 243's found on vetes and gto's.

  3. #3
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    triple black
    02 z28 m6

    why is it that i keep seeing bare and assembled 243 heads going for the same price? It is confusing the hell out of me. I need bare heads

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