This comprehensive Liner Piston Kit is specifically designed for Isuzu NPR, NPR-HD, and NQR models equipped with the 4HE1 4.8L engine from 1998-2004. The complete kit includes four cylinder sets, each containing premium-quality pistons, cylinder liners, piston rings piston pins, and necessary retaining components. The pistons feature a precision-engineered design with a black-finished exterior, while the robust cylinder liners ensure optimal performance and durability. The kit comes with all required components including piston rings, piston pins, and retaining clips for a complete cylinder rebuild. Each component is manufactured to precise specifications to maintain proper compression and oil control. This vehicle-specific fit ensures compatibility with your Isuzu commercial truck, helping restore engine performance to optimal levels.