Quick facts
- Brand: Socpuro
- Price: USD 19.99
- Rating: 3.90 (99 reviews)
If you’re rebuilding or servicing an engine, the right piston ring tools can help you compress rings smoothly and reduce the chance of ring or piston damage during installation. The Socpuro Piston Ring Compressor Tool Set is built for compressing piston rings in cylinders and includes multiple band sizes to match a wide range of engines.
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This kit includes 14 different compressor sizes from 62–145mm (2.44–5.7 inches). It also comes with two piston ring installing pliers (a heavy-duty plier and a smaller plier) designed to help install rings quickly, with a positive locking action and the ability to operate parallel or perpendicular to the cylinder block.
For storage and portability, the tools are arranged in a blow-moulded plastic tool box, making it easier to keep everything in place between jobs. (As always, confirm your engine’s required size before purchase.)
- Designed to fit piston rings in compression cylinders with fine-tooth locks for small incremental compression
- Includes 14 compressor sizes: 62–145mm (2.44–5.7 in) to match different engine applications
- Adjustable ring pliers for ring thickness from 3/64″ to 1/4″ with positive locking action to help prevent damage
- Compressor bands made of alloy steel; pliers made of chrome vanadium steel with polished exterior
- Blow-moulded storage case included for organized access and convenient carrying
What’s included: 14 different size compressor bands, 1 heavy-duty piston ring installing plier, 1 small piston ring installing plier, 1 velcro strap, and a blow-moulded plastic tool box.






