Gear & Chain Drive Camshaft Kits / Twin Cam

Elevate your Twin Cam's performance with S&S Cycles Gear Drive/Chain Drive Cam Kits, the ultimate upgrade for precision, power, and reliability. Designed for Harley Twin Cam engines, these kits offer a significant improvement over the stock timing chain system, ensuring your engine runs smoother, stronger, and more efficiently.

Features & Enhancements:

Features of the Gear & Chain Drive Camshaft Kits

• Chain Drive Cams:
• Cost-Effective: Chain drive systems are generally less expensive to manufacture and purchase. This makes them a more budget-friendly option for riders and builders.
• Quieter Operation: Chain drives tend to operate more quietly than gear drives, especially at idle and lower RPMs. This is advantageous for riders who prefer a quieter ride.
• Simpler Installation: Installing a chain drive cam system is often seen as less complex than installing a gear drive system. It requires fewer modifications to the engine, making it a more straightforward choice for upgrades.
• Flexibility: Chain drive systems allow for a small amount of flex within the drive system. This can be beneficial in absorbing shocks and reducing the risk of damage to the cam or crankshaft under extreme conditions.
• Self-Adjusting Tensioners: Modern chain drive systems come with self-adjusting tensioners that help maintain proper tension on the chain, reducing maintenance needs and improving the longevity of the system.
• Compatibility & Installation: Options available for 00-06 Twin Cam models using stock splined drive gears or stock chain, with special considerations for 99 Twin Cam motors (See Notes). For 06 Dyna and 07-17 Twin Cam models, cams are compatible with hydraulic tensioner chain drive systems. Note that cams 510 and 551 offer bolt-in convenience.
• Comprehensive Kits: Each kit includes cams, inner gears, outer drive gears, bearings, gasket, and detailed instructions for a complete upgrade solution.
• Professional Installation Recommended: Due to the technical nature of the installation, a hydraulic press and professional tools are recommended, along with the use of adjustable pushrod/cover kits for optimal performance.
• Durability & Made in the U.S.A.: Proudly designed and manufactured in the United States, ensuring the highest quality and reliability for your motorcycle.

• Installation Checks: Installers must check for coil bind, valve-to-valve, and valve-to-piston clearances to ensure safe and optimal operation.
• High-Performance Valve Springs Required: Except for 509 and 510 models, high-performance valve springs are necessary for 99-04 models. Click Here for .650" Lift or Click Here for .585" Lift. On 05-17 Models, High Lift Valve Springs are recommended at .585" Cams, and necessary with any taller cam above .585".
• Adjustable Pushrods: Recommended for all, and sometimes required on higher lift cams - Click Here
• Valve Train Noise: Due to the characteristics of gear drives, Recommended for all, and sometimes required on higher lift camsan increase in valve train noise may be noticeable when using gear drive cams.

Why Choose S&S Cycles Cam Kits? S&S Cycles Gear Drive/Chain Drive Cam Kits are the pinnacle of Twin Cam engine upgrades, offering unmatched precision and performance. By choosing S&S Cycles, you're not just upgrading your motorcycle; you're investing in a legacy of American engineering excellence, ensuring your ride performs at its peak, mile after mile.

Upgrade to S&S Cycles Cam Kits and experience the difference in power, performance, and reliability. Whether you're cruising the streets or hitting the highways, these cam kits are the key to unlocking the true potential of your Twin Cam engine.

Gear & Chain Drive Camshaft Kits Fitment

• NOTE: For installation on 99 Twin Cam motors you must purchase splined outer drive sprocket; S&S recommends that Andrews 4340 steel drive sprocket be used - Click Here
• NOTE: To See All Cam Specs - Click Here
• Important Notes:
• No Shipping to CA