Upgrade your ISUZU truck's engine performance with this set of 4 premium exhaust valves. Specifically designed for ISUZU NQR, NRR, NPR, and NPR-HD models equipped with the 4HE1 4.8L engine (1998-2004), these valves are precision-engineered for optimal fit and function. Each valve features durable black coating and robust construction with a precision-machined stem and head design. The valves include a high-quality steel composition that withstands high temperatures and pressure, ensuring reliable performance under demanding conditions. The set comes with a polished finish and carefully engineered seat surfaces for proper sealing. These replacement valves maintain proper combustion chamber sealing, helping restore engine efficiency and performance. Perfect for professional mechanics and fleet maintenance operations, these valves represent a crucial component for engine rebuilds and repairs.

COMPATIBILITY: Designed for ISUZU NQR NRR NPR NPR-HD models with 4HE1 4.8L engines from years 1998-2004

PACKAGE CONTENTS: Set of 4 exhaust valves engineered to OEM specifications for direct replacement

DESIGN FEATURES: Enhanced valve head design with reinforced seat face for improved sealing and performance

SPECIFICATIONS: Professional-grade exhaust valves featuring standard stem diameter and precise head dimensions for proper fitment

OEM

8972195092 / 8972195091 / 8972195090

8972346130 / 8971891140 / 8970193370  

8970604150 / 8943993863