Determine the volume of your cylinder head's combustion chamber using one of these clear acrylic 6.5"x 6.5"x 0.25" squares in conjunction with your preferred method of liquid measurement. I use isopropyl alcohol and a low cost 10ml oral irrigation syringe available at drug stores. These acrylic squares are drilled with 0.375" holes. Pictured with protective film still attached. $13.00 each shipped from 44824.
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