Revitalize your Honda TRX300 with the PK191S Piston Kit from Shindy. Engineered for .25 1st oversize, this kit ensures precise compression and durability for enhanced performance. Plus, take advantage of our in-house cylinder boring services. Simply ship your cylinders to us for expert machining, ensuring a perfect fit for your new piston kit. Trust in Shindy for reliable power and performance on every ride.