Diamond Competition Series Pistons - Engine Builder Magazine
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Diamond Competition Series Pistons


Diamond-webDiamond has announced a line of pistons for the highly ­popular big-block Chevrolet Sportsman racing engines. Known as their Competition Series, they are suitable for most 24- or 26-degree valve angle big-block cylinder heads. As expected, they cater to race engines in several favored classes, ­including Top Dragster, Top Sportsman and ET Bracket. The Competition Series pistons are created from the more shock-resistant 2618 aluminum alloy inboard forgings. In ­addition, they are lighter in weight than the conventional ­piston body, yet their inboard-style structure provides greater strength and as such accepts small to medium applications of nitrous. www.DiamondRacing.net

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