BIKESERVICE Piston Ring Compressor Set — 35 mm–111 mm (1-3/8"–4-3/8")

Make piston and ring installation fast and reliable with this piston ring compressor set. 🛠️ The kit includes a ratcheting ring compressor and ring expander pliers that lock in position for easier, safer installs.

• Both the ring compressor and ring expander pliers feature a ratcheting lock to hold the handles in position for easy piston and ring installation.
• Pliers grip handle works both horizontally and vertically for greater versatility.
• Works with piston diameters 1-3/8" - 4-3/8".

Ergonomic handles reduce hand fatigue and the positive ratcheting action speeds repetitive work. Ideal for shop technicians and home mechanics performing engine assembly or piston replacement. Follow engine manufacturer guidelines for piston orientation and ring end gap placement.