2.6L L4 Aluminum Cylinder Head G6 | 1989–1994 | Assembled | High-Flow Design | CNC Machined | Direct Replacement

Enhance engine reliability and performance with this assembled aluminum cylinder head, designed for 2.6L inline 4 engines produced between 1989 and 1994 (casting number G6). Built as a direct replacement, it’s ideal for rebuilds, restorations, or performance upgrades. The high-grade aluminum construction offers improved heat management and a thicker deck for increased durability under demanding conditions. Superior port finish, hardened exhaust seats, and CNC-machined guides and seats help optimize airflow and precision fitment. Each head undergoes a rigorous 25-point quality inspection to ensure consistent performance. Upgrade your engine project with this performance-focused, OE-style aluminum head casting built to deliver lasting reliability. Engine Quest produces high-quality OE-style replacement parts. Each part undergoes rigorous testing and inspections to meet EngineQuest’s exact specifications. Designed for precision manufacturing and durability, our products ensure easy installation. With nearly 500 SKUs available, the company specializes in hard-to-find, in-demand parts, including those no longer available from the OEM, difficult to salvage, or with prohibitively high OEM costs.

• High-Grade Aluminum Casting – Lightweight construction with superior heat dissipation and added durability.
• Direct Replacement Bare Head – Fits 2.6L inline 4 engines from 1989–1994; casting number G6.
• Performance-Oriented Design – Thicker deck, improved port finish, and hardened exhaust seats enhance strength and airflow.
• Precision CNC Machined – Guides and seats are CNC finished for accurate fitment and smoother flow.
• Quality Inspected – Includes OE-style valve seats and guides; each unit passes a detailed 25-point quality check.
• EngineQuest – Over 75 Years of U.S. Automotive Expertise – Designed in the USA with Top-Quality Control. Proud IMCA/WISSOTA Supporter. Backed by a 1-Year Parts & Labor Warranty.