Upgrade your engine's performance with the Manley Performance 46860-4 piston ring set, designed for select Mitsubishi and Honda models. Crafted with precision, this ring set features a bore diameter of approximately 3.58 inches, with ring thicknesses of 0.047 inches (1.2 mm) for the top and second rings, and a 0.11 inch (2.8 mm) oil ring for optimal sealing and compression. These specifications ensure compatibility with engines that require high-quality components for enhanced power delivery and durability. Built from premium materials, the rings are engineered to withstand high temperatures and pressures typical of performance applications. The set is suitable for engines in Mitsubishi Eclipse (1990-2006), Honda Civic (2002-2005), and Mitsubishi Lancer (2003-2006), providing a reliable upgrade for restoration or performance tuning. The rings are not CARB approved but conform to Prop 65 standards, emphasizing safety and environmental compliance. Installation of this piston ring set can improve compression ratios, reduce oil consumption, and extend engine life, making it an excellent choice for enthusiasts and professional mechanics alike. Whether you're rebuilding an engine or optimizing performance, the Manley Performance ring set offers a dependable solution to meet your automotive needs, backed by the trusted Manley brand known for quality and precision engineering.