The Piston Ring Groove Plug Gauge is a measuring tool used to verify the internal size of piston ring grooves during inspection and overhaul work. The gauge helps confirm that groove dimensions remain within acceptable limits for correct piston ring seating. Correct groove sizing supports stable compression and controlled oil movement during engine operation. The tool allows technicians to identify wear or distortion that may affect ring performance.Attributes:• Assists in maintaining proper compression levels.• Improves accuracy of piston inspection procedures.• Reduces the risk of piston ring binding.Applications: The Piston Ring Groove Plug Gauge is used directly on piston ring grooves during inspection and servicing tasks. The gauge checks the groove diameter to confirm correct piston ring clearance and reliable sealing during operation.