Piston selection, like all other elements that go into a high performance motor these days, is a critical ingredient with many choices. Although 80 percent of racers can get by with off-the-shelf pistons for their applications, shops that are always looking for that extra edge for their customers and do lots of research and development will most likely have their own ideas and designs. In fact, it is not uncommon for a piston manufacturer to manufacture pistons for particular shops to a proprietary design.
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