S&S Cycle Easy Start Camshaft Kit for Big Twins 1999-2006 – Part 106-5859

Product type: Camshafts & Install Kits

Vendor: S&S CYCLE

SKU : 0925-0454

Regular price $1,070.95 USD

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Camshaft Kit - Easy Start - 583 Gear Drive - Big Twin '99-'06 (except '06 Dyna) The S&S Cycle Easy Start Camshaft...

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Camshaft Kit - Easy Start - 583 Gear Drive - Big Twin '99-'06 (except '06 Dyna)

The S&S Cycle Easy Start Camshaft Kit (Part 106-5859) is designed to deliver reliable starting performance and enhanced low-end torque for Harley-Davidson Big Twin models from 1999 to 2006, excluding the 2006 Dyna. This kit features a specially engineered camshaft that reduces initial crank compression to facilitate easier starting, while once the engine reaches higher RPMs, the centrifugal compression release lobe retracts, allowing the engine to run normally with full compression and optimal performance. This seamless transition ensures smooth operation without sacrificing power or efficiency.
The camshaft is optimized for use in Softail and Dyna models but is compatible with any Big Twin engine, making it a versatile choice for aftermarket upgrades. Its design provides strong low-end torque and horsepower, particularly in the range of 1500 to 5000 RPM, making it ideal for riders seeking improved acceleration and power delivery during everyday riding and highway cruising.
This bolt-in kit includes the necessary components for installation, such as camshafts, gearcover gasket, bearings, retaining ring, o-ring, thread lock, and detailed instructions. Made in the USA, the kit ensures quality and durability for long-term performance. Prior to installation, an installer must verify coil bind, valve-to-valve clearance, and valve-to-piston clearance to ensure proper setup and operation. It is important to note that this camshaft is not suitable for models equipped with OEM compression releases and is not recommended for engines with compression ratios of 10.0:1 or higher, to prevent potential issues and ensure compatibility.
With its innovative design and robust construction, the S&S Cycle Easy Start Camshaft Kit provides a reliable upgrade for Harley-Davidson Big Twin owners seeking improved starting ease and overall engine performance.

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