Description Unlock the Full Potential of Your 2020-2022 Yamaha YZ450F High-Performance Camshafts, specifically designed for the 2020-2022 Yamaha YZ450F. Choose from two cam profiles: motocross/supercross and flat track/drag racing, each optimized for exceptional power delivery. We do not share or advertise cam profiles for these options. Important Notes: Core Exchange Requirement: Our 2020-2022 Yamaha YZ450F DEF Racing camshafts are fully built and assembled, ready to ship when in stock. These are premium welded-reground camshafts (not billet cores). To offer them at this competitive price, we require a core exchange. Please send your original stock camshaft cores to us before we ship your new cams Camshaft Profile Options Motocross/Supercross: Increased Low to Mid-Range Power: Designed to enhance low-end horsepower and torque for quicker acceleration and a more responsive connection to the engine Precision Engineering: Professionally designed camshaft profiles ensure functionality without compromising OEM valve train components Compatibility: High Performance Valve Spring Kit required. This camshaft functions well with the stock piston, but we recommend pairing it with one of our custom pistons for optimal performance and piston-to-valve clearance Flat Track/Drag Racing: Increased Mid to Top End Power: Designed to improve mid to top end performance, delivering the horsepower and torque where necessary for improved acceleration and high speeds Precision Engineering: Professionally designed camshaft profiles ensure functionality without compromising OEM valve train components Compatibility: High Performance Valve Spring Kit required. We recommend pairing it with one of our custom pistons for optimal performance and increased piston-to-valve clearance For best results, we advise that your engine technician perform critical measurements, including piston-to-valve clearance and camshaft lobe centers, to ensure peak performance and reliability Related