Product Description
Stainless-steel exhaust header for specified Jeep Wrangler YJ applications with the 4.2L AMC 258 inline-six engine.
Key Features
- Stainless-steel construction
- Silver finish shown by the available variant
- Header configuration for selected AMC 258 exhaust layouts
- Supplied flanges, gaskets, and hardware should be confirmed from the product media
Fitment Note
Listed for 1987–1990 Jeep Wrangler YJ applications with the 4.2L six-cylinder AMC 258 engine. Confirm VIN, exact model year, engine code and cylinder head, intake/exhaust manifold arrangement, flange and collector dimensions, oxygen-sensor and catalytic-converter layout, steering and frame clearance, and every included gasket and fastener before ordering.
Emissions & Installation Note
Professional installation is recommended. Header changes can alter emissions equipment, noise, heat, sensor operation, and tuning requirements. Verify legal use, protect nearby wiring and hoses, torque fasteners correctly, and perform a complete exhaust-leak and clearance inspection before driving.
