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  1. Duramax racer 8

    02 LB7 s300 s400 twin kit

    Anybody have a s300 s400 twin kit in stock? Open to a options on the brands. thank you
  2. Duramax racer 8

    Plastic Lbz water pump part#

    Looking for the part# for a plastic Lbz water pump only if possible, but the part # for pump and housing is better than nothing. Thanks!!
  3. Duramax racer 8

    I’m looking for a duramaxtuner 67.7 with the Lb7 style down pipe exhaust house

    Anyone have one? How did they hold up? Does it have the same dimensions as a ihi? Asking because I have a ihi /s400 twin kit I’d like to keep using with out to much fab work. Thank you!
  4. Duramax racer 8

    Lb7 to Lly swap

    I did an Lb7 to Lly swap this past summer. Not seeing the high idle option using the steering wheel controls to scroll though the menu display on the cluster. Is it possible? Bcm re flash? Write it into the tune? Thanks
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