Wake up your Husqvarna 572 XP with precision performance work from 309 Machine. Our focus is simple: maximize power and throttle response while maintaining the reliability and durability professionals expect from a work saw. This ported cylinder kit is designed to deliver increased torque and horsepower, improved throttle response, and stronger cutting performance while retaining a brand-new OEM Husqvarna cylinder, piston, and components. What’s Included • Brand new OEM Husqvarna Cylinder Kit• Husqvarna Part Number 5901503-05• OEM cylinder• OEM piston• Piston rings• Piston wrist pin• Circlips• 309 Machine Decomp Plug Base gasket must be reused or replaced. Gaskets are sold separately. We recommend using a piston ring clamp set when installing a new cylinder. Performance Work Includes • Base cut• Squish band cut• Upper transfer ports modified• Lower transfer blending• Exhaust port timing• Exhaust porting and polishing• All ports chamfered• Decomp plug installed Each cylinder is individually machined and finished by 309 Machine to improve airflow, compression, and overall engine performance. Perfect for refreshing a tired saw or for anyone looking for ported performance without sending their saw out and waiting through long lead times. These cylinder kits are in stock and ready to ship. For maximum performance, we recommend pairing this cylinder with a performance exhaust and high-flow air filter. Fitment • Husqvarna 572 XP
