Adjustable piston ring clamp from 53 to 175 mm with spanner included, designed to facilitate installation of pistons in cylinders during engine reassembly.

An essential tool for compressing piston rings cleanly and preventing breakage.

This adjustable piston ring clamp is an essential tool for all engine mechanics work, whether restoration, preparation or maintenance.

✅ Perfect ring compression
Evenly compresses the piston rings to facilitate their insertion into the cylinder without damaging or breaking them.

✅ Wide adjustment range from 53 to 175 mm
Compatible with a wide range of piston diameters, covering the majority of car and motorbike engines.

✅ Precise tightening with spanner included
The spanner supplied allows you to adjust the clamp pressure precisely for optimum, secure compression.

✅ Heavy-duty tool for workshop use
Designed for intensive mechanical use, it withstands the stresses of repeated engine assembly.

⚙️ Technical specifications

• Type: piston ring clamp / piston ring compressor
• Adjustment range: 53 to 175 mm
• Clamping system: spanner included
• Use: for fitting pistons in cylinders
• Compatibility: car and motorbike engines
• Construction: robust metal

🧰 Applications

• Assembly of automotive engine pistons
• Engine restoration
• Performance engine preparation
• Mechanical maintenance
• Professional or amateur workshop

🔧 Discount Autosport tips

• Lightly lubricate the rings before fitting
• Centre the collar well on the piston
• Tighten gradually to avoid damaging the rings
• Check alignment before inserting into the cylinder
• Clean the tool after use

✅ Product benefits

✅ Uniform compression of piston rings
✅ Wide range 53-175 mm (universal)
✅ Easy motor mounting
✅ Tightening key included
✅ Reduced risk of breakage
✅ Robust, long-lasting tool
✅ Significant time saving
✅ Ideal for professional and amateur mechanics