Elevate your chainsaw performance with our premium replacement parts designed specifically for the Stihl 066 and MS660 models. This comprehensive kit is engineered to enhance the efficiency and longevity of your chainsaw, ensuring you tackle any cutting task with confidence.Included in this all-in-one package are essential components: a robust chain adjuster tensioner for precise chain management, two durable bar studs for secure bar attachment, and two reliable bar nuts to keep everything firmly in place. Additionally, we provide a high-quality clutch needle bearing and a piston needle bearing, both crucial for smooth operation and reduced wear. To keep your engine firing optimally, a top-grade spark plug is also included, ensuring reliable starts and consistent performance. Lastly, an E-clip is part of the package, providing an extra layer of security for your assembly.Crafted from premium materials, these replacement parts are designed to meet or exceed OEM specifications, guaranteeing compatibility and performance. Whether you're a professional logger or a weekend warrior, this kit is essential for maintaining your chainsaw's peak performance. Don't let worn-out parts slow you down. Upgrade your Stihl 066 or MS660 chainsaw with our reliable replacement components and experience the difference in power and efficiency. Perfect for routine maintenance or emergency repairs, this kit is your go-to solution for keeping your chainsaw in top shape. Invest in quality and ensure your equipment is always ready for action!