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 Active Member 2 Years 500 Posts

    If you have a 5.3 its not an hd

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