Reaper 543 Cam / '84-'99 Evo Big Twin

The Feuling Reaper Camshaft for Harley-Davidson Evolution ('84–'99) engines delivers exceptional horsepower and torque gains, providing enhanced throttle response and improved overall engine performance. Ideal for riders seeking noticeable performance upgrades, this camshaft brings your Evo motor to life, especially when paired with other performance enhancements.

• Designed specifically for Harley-Davidson Evo motors ('84-'99).
• Delivers strong power throughout the RPM range, especially mid-range torque.
• Compatible with both stock and modified Evo engines for flexible upgrading.

How Does the Feuling Reaper Camshaft Enhance Performance?

This camshaft improves airflow efficiency, enhancing horsepower and torque output across the RPM spectrum. Recommended performance additions such as increased compression and head work will further maximize gains.

• Increased compression and performance exhaust are recommended for optimal results.
• Improved valve timing boosts throttle response and mid-range power.
• Effective RPM range: approximately 2200-6000+ RPM.

What are the Installation Requirements for the Feuling Reaper Camshaft?

The Feuling Reaper Camshaft is engineered as a bolt-in performance upgrade with flexible compatibility, though certain engine modifications may affect installation requirements:

• Compatible with stock pushrods when engine has original factory dimensions.
• Engines with modified deck height, cylinders, or rocker boxes require adjustable pushrods.
• Performance upgrades such as increased compression and cylinder head porting recommended but not mandatory.

Should You Upgrade Pushrods and Lifters When Installing This Cam?

While factory pushrods and lifters will generally suffice, upgraded components are recommended for modified engines or maximum performance and reliability.

• Factory pushrods can be used if the engine retains stock cylinder and head dimensions.
• Adjustable pushrods are necessary if engine dimensions have been altered.
• Performance hydraulic lifters are recommended (but not required) for improved reliability at higher RPM.

Why Riders Trust Feuling Performance Products?

Feuling is renowned for producing high-quality performance components that deliver significant horsepower and torque gains, precision engineering, and reliable operation—ideal for street and high-performance Harley-Davidson engines.

• Precision-engineered for reliable power gains and durability.
• Made in the U.S.A. to exacting standards.
• Proven performance across a wide range of Evo builds.

Transform your 1984–1999 Harley-Davidson Evo motorcycle with the Feuling Reaper Camshaft and experience impressive horsepower gains, improved throttle response, and smoother riding performance.