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Classic Fit
The Boyesen Rad Valve isn’t just a replacement—it’s a purpose-built performance upgrade designed to help your machine breathe
3mm 6 hole can be used for larger dirt-bikes such as a KX500 or CR500 that have substantial vibration
Whether you're adjusting for altitude
Compact and easy to use in both shop and trackside environments
Moto Tassinari VForce V4R26 Reeds | Compatible with KTM & Husqvarna Models 1972-1975-honda-mt250-esr3338988 Classic FitCompatible with KTM & Husqvarna 2 Stroke Models Boost throttle response, increase airflow, and sharpen power delivery with the VForce V4R26 Reed Valve System by Moto Tassinari. Featuring a unique double reed tip design, wider reed cage, and advanced airflow dynamics, this system delivers noticeable gains in low end snap and high RPM stabilityperfect for both technical terrain and race paced riding. Designed as a direct fit upgrade for KTM and