Premium Engine Intake Manifold Gasket Set. Engineered for a precise, factory-grade seal, this high-quality set prevents vacuum leaks and ensures optimal air-fuel ratios. Designed for a perfect fit on Nissan 3.0L and 3.3L V6 engines (Pathfinder, Xterra, Frontier, Quest) and Infiniti QX4. Durable, heat-resistant, and built for long-term reliability.