Improve engine cooling, prevent deterioration from fuel and oil by replacing the engine baffle gasket material on your aircraft. 3" x 9 ft. rolls that can be cut and trimmed for multiple uses. Handles temperatures up to 550 degrees F. Meets Federal Spec AMS-3320 or AMS-3783. Manufactured to MIL-I-16411E. Material has fiberglass mesh for reinforced strength and is better suited for wider openings. (for non-reinforced see Part No. H9191)