OMIX proudly offers all the parts you need to keep your Willys Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement catalytic converter kit fits 87 - 92 Wrangler YJ models equipped with 2.5 - liter engines and 91 - 92 Wrangler YJ models equipped with 4.0 - liter engines. Includes converter, gasket and clamp. Features 4 - bolt welded flange inlet 2.25 - in. outlet. Replaces OE 52018104K