CFM-8038B-240-449-20 CFM-8038B-240-449-22 CFM-8038B-250-498 CFM-8038B-250-498-20 CFM-8038B-250-498-22 CFM-8038BF-1110-595 CFM-8038BF-1110-595-20 CFM-8038BF-1110-595-22 CFM-8038BF-1130-631 CFM-8038BF-1130-631-20