[Function] Piston Ring Compressor and piston ring pliers.Piston ring disassembly process, expanding the piston rings.– Piston installer plier used for installs and removes piston rings;Easy to use, safe and reliable.

[Material]?? Constructed from spring steel for maximum strength and longevity that resists corrosion

[Size]– 3 inch piston ring compressor: 53mm – 175mm;4 inch piston ring compressor: 53mm – 175mm??6 inch piston ring compressor: 60mm – 195mm

[DAMAGE-FREE:] Perform engine rebuilds and use this compressor for proper installation of the piston and rings in the cylinder without twisting or damaging parts;Perfect fit on the piston and a positive locking action to compress rings and allow installation of pistons into cylinders

[Size & Package]– 1Pcs 3 inch piston ring compressor, 1Pcs 4 inch piston ring compressor, 1Pcs 6 inch piston ring compressor,1Pcs x piston ring pliers, 3Pcs wrench
 Piston Ring Compressor and piston ring pliers.Piston ring disassembly process, expanding the piston rings.– Piston installer plier used for installs and removes piston rings; Easy to use, safe and reliable.Repairing, replacing, and cleaning your piston is made easier with the help of this piston service tool set.  DAMAGE-FREE: Perform engine rebuilds and use this compressor for proper installation of the piston and rings in the cylinder without twisting or damaging parts; Perfect fit on the piston and a positive locking action to compress rings and allow installation of pistons into cylinders Use an oil lubrication (not included) on ring and piston before compressing; Place piston inside the cylinder, tighten the compressor, lightly tap the piston into the bore with a rubber mallet (not included) while holding downward pressure on compressor [Size & Package] 1Pcs 3 inch piston ring compressor,  53mm – 175mm 1Pcs 4 inch piston ring compressor, 53mm – 175mm 1Pcs 6 inch piston ring compressor,60mm – 195mm 1Pcs x piston ring pliers,  3Pcs wrench