VEH23807 SWPEET 8PCS 3" 4" 6" PISTON RING COMPRESSOR AND TOOLS

3" 4" 6" Piston Ring Compressor --------- Piston ring disassembly process, expanding the piston rings. Constructed from spring steel for maximum strength and longevity that resists corrosion, It can be installed and removed by adjusting the diameter of 2-9inch without twisting. 3 inch piston ring compressor: 53mm - 175mm; 4 inch piston ring compressor: 53mm - 175mm；6 inch piston ring compressor: 60mm - 195mm.