04 Silverado 1500 LS 4x4 / 5.3 / tow package Info

Discussion in 'Towing & Trailer Tech' started by flgtrbug, May 12, 2014.

  1. flgtrbug

    flgtrbug New Member

    I want to buy Timbren suspension blocks. Need to know if my truck is standard duty or heavy duty, calls for two different Timbren sets for each.
  2. squatchy

    squatchy Rockstar 3 Years 1000 Posts

    If you have a 5.3 its not an hd

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