4A40, 4A53, 4A70, 4B45, 4B55, 4B75, 4C65, 4E67, 4H60, 4J60, 4K60, 4T70. All injectors are torn down and cleaned through a parts washer. All internal parts are inspected for wear and tear. Any excessively worn parts are discarded and replaced. All parts are run through and ultra-sonic parts cleaner to ensure parts are free from […]