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The S&S CYCLE Crankpin Assembly, part number 34-2105, is designed for use in stock and S&S flywheels in Big Twin models manufactured from 1981 to 1999, excluding the 1999 Twin Cam. Crafted in the USA, this crankpin assembly provides reliable performance and durability for vintage Harley-Davidson engines. It includes a crankpin, nuts, and a key, ensuring a comprehensive replacement solution for your engine rebuild or repair. The oversize specification (+0.002") allows for precise fitting when restoring or rebuilding engines that require an oversized crankpin, helping to restore optimal engine performance and longevity. Made with quality materials and manufacturing standards, this assembly is a trusted choice for professional mechanics and DIY enthusiasts alike who seek to maintain the integrity of their Harley-Davidson engines. The assembly's construction ensures proper alignment and balance, which is critical for engine smoothness and efficiency. Whether you're performing routine maintenance or a complete overhaul, this crankpin assembly is an essential component to keep your Big Twin running smoothly for miles to come.
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