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The WISECO K1641 piston kit is engineered for high-performance Harley-Davidson Evolution Big Twin engines, specifically designed for 1340 cc displacement. Crafted from high-silicon aluminum alloy, these pistons provide exceptional strength, durability, and reliable performance under demanding conditions. This comprehensive kit includes pistons, rings, retainer clips, and chrome piston pins, ensuring you have all necessary components for a complete rebuild or upgrade. The inclusion of an X-Ring package, featuring a 0.062-inch top ring, 0.062-inch compression ring, and 0.158-inch oil ring, helps optimize sealing and reduce oil consumption for optimal engine efficiency. Made in the USA, these pistons meet strict quality standards and offer precise fit and finish for seamless installation and long-lasting performance. Whether you're restoring a vintage Harley or building a high-performance engine, the WISECO K1641 piston kit provides the reliability and performance needed to keep your engine running smoothly.
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