The Feuling Parts HP+ Hydraulic Lifters are high-performance components designed to enhance the valve train operation of various Harley-Davidson engines. These lifters are engineered to optimize oil flow to the top end of the engine, including valves, springs, rockers, shafts, and valve guides. This improved lubrication helps to cool the engine and reduce wear, thereby extending the lifespan of the valve train components.

Key features of these lifters include:

CNC machining and precision grinding for exact fit and exceptional performance.
Compatibility with high-volume oil pumps, which is recommended to achieve the best performance.
Made in the USA, ensuring high-quality manufacturing standards.
These lifters are suitable as a performance upgrade and are direct replacements for stock lifters in specific Harley-Davidson models, including Milwaukee Eight 17-22, Twin Cam 99-17, and Sportster models from 2000-2017. They are sold in sets of four and are designed to be easy to install, making them accessible for both professional mechanics and DIY enthusiasts.

Overall, the Feuling Parts HP+ Hydraulic Lifters are highly regarded for their ability to enhance engine efficiency and reliability, especially when paired with appropriate high-volume oil pumps​.