Cometic 91-03 Jeep 4.0L Inline-6 4.000in Bore .086in MLS Head Gasket

If you're rebuilding the top end of your 1987-2001 Jeep Cherokee, Comanche, Grand Cherokee, Wagoneer, or Wrangler with the 4.0L Inline-6 engine, this Multi-Layer Steel (MLS) head gasket from Cometic is a solid choice. It's designed for a 4.000-inch bore and has a compressed thickness of 0.086 inches, making it suitable for engines with aluminum heads paired to either aluminum or cast iron blocks. This gasket is built to handle the demands of higher output engines and doesn't require any additional sealants.

Cometic constructs these MLS gaskets from multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated on both sides with Viton, a heat-resistant rubber material that can handle temperatures up to 482°F (250°C). This coating ensures a reliable seal even in harsh conditions and across different surface finishes. The center layer is also stainless steel and can be varied to achieve different thicknesses, allowing for precise engine building.