The Rod Sleeve Extension supports controlled testing and adjustment of fuel systems during calibration activities related to fuel timing, rack synchronization, and fuel setting. It allows operators to carry out adjustments by maintaining proper alignment and controlled movement during test procedures. Rod Sleeve Extension helps ensure fuel delivery parameters are adjusted accurately for stable engine operation.Attributes:• Enables accurate adjustment of fuel timing during fuel system testing.• Helps maintain alignment during adjustment operations.• Supports repeatable testing results across multiple test cycles.Applications: The Rod Sleeve Extension is applied within fuel system testing setups where calibration and adjustment activities are performed. It enables accurate adjustment processes for both mechanical unit injector engines and electronic unit injector engines.