UNIVERSAL LOWER UNIT STAND you can use this as

you can use this as a backing plate for more support

Will hold all Make and Horsepower Outboard Lower units

Select Different Sizes Depending on what SPEAKER or SUBWOOFER you have:

JL AUDIO SPEAKER AND SUB WOOFER SPACER/BACKING PLATES

You can also put two spacer In between the speaker and the boat in order to achieve 1" space

UNIVERSAL LOWER UNIT STAND you can use this asTHIS IS A UNIVERSAL STAND FOR OUTBOARD "LOWER UNITS" This product Is cut with a CNC router out of 1 2" white Starboard, and Put together with recessed stainless steel screws. It will not warp, Rott, or Scratch the paint on the Lower. Every Marine Mechanic and DIY'er in the industry needs this product. No more sitting the Lower units on cinderblocks, the ground, or your wooden makeshift stands. Plus this will make you look even more professional to