PROX piston pin needle bearings are manufactured to precise OEM specifications using the highest quality materials, making them a cost-effective OEM replacement. Designed for reliability and durability, these bearings ensure optimal performance and longevity for your Yamaha engine. Whether you're a professional mechanic or a DIY enthusiast, trust PROX for top-tier aftermarket components. Ideal for those looking to maintain the performance of their motorcycle at a reasonable price, these needle bearings deliver exceptional stability and endurance.