This GLYCO main bearing set, part number 71-3994 0.25mm, is engineered for precision and reliability. It plays a crucial role in supporting the crankshaft, reducing friction, and ensuring the longevity of your engine. Crafted with advanced materials and manufacturing techniques, these bearings are designed to meet or exceed original equipment specifications. They provide excellent load-carrying capacity and wear resistance, even under demanding driving conditions. Proper installation of this main bearing set is essential for maintaining engine balance and efficiency. Trust GLYCO for components that deliver consistent performance and protect your engine's core components.