Compatible with Corvette C4 models from 1985 to 1991 equipped with the L98 V8 5.7L engine, this precisionengineered air pump pulley is designed for flawless fitment and reliable performance. Key Benefits and Features: Exact Fitment: Purposebuilt to match the specifications of 19851991 Corvette C4 L98 V8 5.7L models for straightforward installation without modification. Enhanced Air Pump Efficiency: Optimized design to improve the air pump's operation, contributing to better overall engine performance. Durable Construction: Manufactured from quality materials capable of withstanding the demands of offroad and performance driving. Smooth Operation: Engineered to reduce friction and vibration, aiding in more consistent air pump function. Easy Installation: Userfriendly design allows for quick replacement or upgrade, minimizing downtime. Versatile Use: Suitable for various performance and offroad applications, making it ideal for Corvette enthusiasts focused on improving airflow and reliability. Practical Applications: 1. Performance Upgrades: Ideal for owners seeking improved air pump reliability when enhancing their Corvette's power output. 2. OffRoad Driving: Built to endure demanding conditions, ensuring dependable air pump function during rugged terrain use. 3. Restoration Projects: for restoring original air pump performance in classic C4 Corvettes while maintaining authentic factory specifications. This air pump pulley offers a precise fit, dependable durability, and improved efficiency to help your Corvette deliver consistent performance both on and off the road.