So you you are puttin an LS1 motor in a vehicle using Ronin or Samberg mounts? These are the low profile biscuit style isolators that go between the pedastals and the subframe/subframe adapters. Works with Ronin or C5 pedestals.
Note, my supplier just calls me a "space age material" but the Ronin guys thinks that means a custom polyurethane blend. We do know these isolators are firmer than many stock OEM engine mounts but not like a solid mount that will rattle your fillings either. These are like Goldilocks said - "just right." Pick up a set and make your life a little smoother.
Price shown includes 2 biscuit isolators and hardware. Note, longer bolts (not included) may be required if not using Ronin pedestals.