Edelbrock Performer Cylinder Head (91-06 4.0L Jeep Wrangler YJ & TJ)Find parts that fit my vehicle

Performance Upgrade. The Performer Jeep 4.0L Cylinder Head is engineered as a direct bolt-on replacement to boost the performance of inline six engines in Jeep vehicles. It enhances airflow with optimized intake and exhaust ports, delivering increased power and efficiency while maintaining compatibility with many factory components.

Construction and Appearance. Constructed from durable aluminum, this cylinder head features a 3/4" deck thickness for increased stiffness and longevity. It incorporates modern combustion chamber designs, back cut and swirl-polished valves, and larger reinforced rocker bosses to withstand high RPM usage, all crafted to ensure reliable operation and durability.

Installation. Installation is straightforward with no required modifications when paired with the correct intake and exhaust components. It retains the stock valve angle, pushrod length, and valve cover bolt pattern, allowing continued use of factory valve covers and accessories.

Warranty. This cylinder head comes with a 12-month warranty covering defects in materials and workmanship.
Application. Specifically fits 1991-2006 4.0L Jeep Wrangler YJ & TJ models and must be used with matching intake and exhaust manifolds or aftermarket headers as specified to ensure proper fit and emissions compliance.