Rocket Power!
The pistons were crafted by Diamond and are a zero-deck design. The top ring is located .200 inch down from the piston deck, and all three rings check in at traditional 1/16-, 1/16-, 3/16-inch-thick dimensions. The pistons weigh 486.2 grams. Note the large groove between the top and second rings: this is to increase the air gap between the rings to better stabilize them at speed. The top of the piston has a PolyDyn synthetic polymer ceramic coating that can protect the piston from high heat soak, which can reduce the structural integrity of the part and keep the piston from burning the tops.
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