Unleash Peak Performance
Precision Engine Modifications for Maximum Power | PORTLAND, OR
Expert Performance Services
At Baisley Hi-Performance, we specialize in precision engine modifications, headwork, and machining to enhance your motorcycle’s power and efficiency. From head porting to throttle body boring and roller rocker conversions, our expertise is trusted worldwide. Don't see the service you need? Call us—we customize solutions for riders and businesses globally.
Harley-Davidson Engine Modification & Machining
Baisley Hi-Performance offers expert machining and modification services for Harley® engines. From case boring and cylinder modifications to crankshaft balancing and headwork, we provide precision enhancements to optimize performance. If you need a custom engine solution, contact us—we're always expanding our capabilities.
Precision Head Modifications & Machining
Baisley Hi-Performance specializes in Harley® head services, from stock rebuilds to race-ready Pro Street upgrades. Our expert machining enhances power, efficiency, and reliability for both street and race applications. Don’t see your engine listed? Contact us—we may already have the tooling for your setup.
Enhanced Throttle Body Performance
Baisley Hi-Performance optimizes airflow with precision throttle body smoothing and boring, reducing restrictions for improved engine power. Our custom parabolic shaping enhances efficiency, ensuring a smoother intake flow. Contact us to discuss the best size for your setup.
Precision Rocker Modifications
Upgrade your rocker arms with Baisley Hi-Performance for improved stability and power at high RPMs. Our roller rocker conversions and corrected geometries enhance valve train control, ensuring consistent performance. Contact us to optimize your setup.
Let's Talk About Your Motorcycle Parts Needs
If you have any questions or need further assistance, feel free to reach out. We’re here to help and will get back to you as soon as possible!
