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This S&S CYCLE flywheel assembly is designed for carbureted Evolution Big Twin models from 1984 to 1998, delivering reliable performance for stock and high-performance custom applications. Crafted from high-strength forged steel, this assembly ensures durability and longevity under demanding riding conditions. The assembly features a large diameter tapered sprocket shaft with a 6° key, providing increased contact area for enhanced strength and durability. It is fully assembled, trued, and balanced to match stock Harley-Davidson 80" or 96" pistons, simplifying installation and ensuring optimal engine performance. The kit includes a flywheel, crankpin, and connecting rods, making it a comprehensive upgrade for your motorcycle's drivetrain. Made in the USA, this assembly guarantees quality craftsmanship and reliable performance. For '90-'99 models, a pinion shaft conversion kit is required to ensure proper fit and function. This assembly combines precision engineering with ease of service, featuring standard S&S tapered crankpin and pinion shaft for straightforward maintenance and repairs. Whether you're restoring a vintage Harley or building a custom engine, this flywheel assembly offers the strength and reliability needed for a smooth and powerful ride.
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