590 Chain & Gear Drive Camshaft Kits / M8 Motors

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Elevate your high-performance 124” or larger engine with the S&S Cycles 590 Chain and Gear Drive Cams. These cams are engineered for the enthusiast seeking maximum horsepower from their upgraded engine. Specifically designed for monster bores and ported heads, these cams are not suited for stock bore engines but are perfect for those looking to push the limits of performance. Here's what makes the 590 cams a must-have for power seekers:

Key Features:

• Optimized for High-Performance: These cams are tailored for 124” and larger engines, making them an all-out horsepower cam for serious performance upgrades.
• Compatibility: Best used with monster bores and ported heads, ensuring that your engine can handle the aggressive lift and duration of these cams.
• Comprehensive Kit: Includes all necessary bearings, o-rings, and hardware for installation, streamlining the upgrade process.
• Touring Model Upgrades: For touring models, a heavy-duty valve spring kit is required to handle the increased lift and prevent valve float at high RPMs.
• Adjustable Pushrods Required: The installation of Quikee adjustable pushrods with cover keepers is necessary for accommodating the higher lift profiles of these cams.
• Tappet Replacement Recommended: S&S suggests replacing the tappets with each cam swap, recommending the Precision Tappet set without HL2T Kit and Tappet Cuffs specifically for M8 models for optimal performance.
• Made in the USA: Proudly designed and manufactured in the United States, ensuring quality and reliability.

Why Upgrade with S&S Cycles 590 Cams?

• Maximized Horsepower: For those looking to extract every bit of power from their engine, these cams deliver aggressive performance enhancements.
• Designed for Upgraded Engines: Specifically created for engines with significant modifications, these cams ensure that your high-performance build gets the cam profile it needs to excel.
• Reliability and Quality: With the inclusion of all necessary components for installation and the recommendation to replace tappets, these cams offer a comprehensive solution to upgrading your engine with confidence.

Installation Tips:

• Professional Installation Recommended: Given the aggressive nature of these cams and the potential for engine modifications, professional installation by an experienced technician is strongly advised.
• Compatibility Check: Ensure these cams are suitable for your specific engine build and model, especially if you have significant modifications such as monster bores and ported heads.

With the S&S Cycles 590 Chain and Gear Drive Cams, transform your 124” or larger engine into a powerhouse capable of delivering unmatched performance on the open road. Made in the USA, these cams represent the pinnacle of motorcycle performance engineering.