Mardatt 8 Pcs 3" 4" 6" Piston Ring Compressor Tool Set with Piston Ring Pliers and Stainless Steel Feeler Gauge, Car Engine Piston Ring Compressor Tool for GM

【Valued Piston Ring Installer Tool】The piston ring compressor tool contains 3”/4”/6” Adjustable piston ring compressor, piston ring pliers, feeler gauge and 3 pcs hex hey, totally 8 pcs. Designed for use on the most common automotive piston ring, the professional and practical tools for repairing the car engine.

【Product Size Detail】①3 inch piston ring compressor: 53mm - 175mm/2.1”-6.9” Adjustable Diameter; ②4 inch piston ring compressor: 53mm - 175mm Adjustable Diameter；③6 inch piston ring compressor: 60mm - 195mm/ 2.4”-7.7” Adjustable Diameter. ④piston ring installer is about 6.7 x 3.9 inch/ 17 x 10 cm; the thickness ranges from 3/64” to 1/4” (1.2 mm -6.4 mm).

【Premium Material】The piston ring compressors are constructed from spring steel with nickel-plated surface for maximum strength, which is resistant to wear and corrosion. The piston ring pliers of quality chrome-vanadium steel with built-in spring design to make it flexible to use spring removal pier. High hardness and rust resistance, long service time.

【Installation without Damage】 Perfect fit on the piston and a positive locking action to compress rings, allows the piston to be installed into the cylinder, so that which prevent damage to the ring or pistons. Simply place the lubricated piston into the cylinder and tighten the compressor, then hammer the piston into the hole with rubber mallet gently while holding downward pressure on compressor.

【Wide Application】 Piston rings compressor expands the piston rings. Ideal for installs and removes piston rings. Use to install pistons on most passenger cars. Perfect for suitable for pistons of push and riding engines, and also for pistons of some tractors.