The 6 Best Piston Ring Expander tools (2023 reviews)

They make great cylinder hones, their creepers work great, and now this, this piston ring tool is a nice economical tool to get the job done. It is simple to grasp and open rings with this tool, but it will put a slight "twist" in the ring. It has a thin design that reminds you to be gentle with your rings. It cleans up nicely with solvents after use.

This tool makes it nice and easy to open the ring wide enough to slip over the piston without scratching it and setting it right in its groove. It has great cylinder hones, their creepers work great, and now this, this piston ring tool is a nice economical tool to get the job done. It comes with lisle's piston ring installer, you'll save by reducing ring breakage.

Why We Like This:

Well made and hold up for uses
A required tool for the toolbox for over hauling engines
Decent tool for the dough and todays standards
Piston installation is easy or perfect without a ring tool

Best For installing The Pistons: Tcj-Chen Piston Ring Expander tool

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The tcj-chen piston ring expander tool should be able to handle its purpose and duties with ease. It works for the task, but definitely more of a hobbyist tool. It has so much extra metal in it's roll though that it makes smaller pistons more difficult. It has a ratchet and will come apart. It comes with ring pliers that work.

This tool must be used on cylinders you insert the piston from the top not from the bottom like harleys. It will rotate the gaps that you work hard to align when you tighten it. It is perfect for a mechanics collection.

Why We Like This:

Very important tool if you're building engines
Piston ring disassembly process, expanding the piston rings, easy to use, safe and reliable
Worked fine for a small engine rebuild
Installs and removes piston rings up to 6.4mm (1/4") without twisting

Best For Seating New Rings: Mmondod Piston Ring Expander tool

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Mmondod is known for creating pragmatic and minimalist tool for people on the go, and its line of mmondod piston ring expander tool definitely falls in line with that reputation. The ring expander itself isn't really needed but the compressor is an absolute must-have.

Why We Like This:

Positive compression and adjustable friction brake
Come in small packages and also it is designed for passenger cars
One of the new comers and featured product

Best For Piston Exchanges: Yarrkc Piston Ring Expander tool

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If you want nothing but a tool that is satisfactory, this yarrkc piston ring expander tool is certainly a worthy investment. Ring spreaders never once slip with a ring installed and the compressor feels sturdy enough to make you comfortable with using it on the delicate engine you're building. It works well on engines that don't have tight rings. The tool is very simple, but you must pay attention to the rings, as you squeeze the rings they are moving with the tool.

It can be used on a 50mm to 175 mm piston and it is adjustable. It is made of quality material. The ring compressor does take extra effort to ensure all sides remain flush against the block as the oil rings go in.

Why We Like This:

Makes quick work of a crap job
Good brand reputation

Best tool: Bbto Piston Ring Expander tool

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The bbto piston ring expander tool is specially designed for your regular usage and has all useful features. The Piston Ring Pliers are used to expand the Piston Rings. The engine piston ring pliers fits on the piston, and a positive locking action to compress rings and allow installation of pistons into cylinders, which can prevent damage to the ring or pistons, please hold and expand them securely while installing onto pistons. The Piston ring installer is about 6.7 x 3.9 inch/ 17 x 10 cm, fits into your hand well, comfortable to hold because of the ergonomic handle, which won't fall from your hand easily, making things more convenient.

There are 2 pieces of piston ring pliers in 1 package, you can apply 1 piece and take the other as backup, practical tools for repairing the car energine. The adjustable piston ring plier can be applied to install and remove piston rings, and the thickness ranges from 3/64 inch to 1/4 inch (1.2 mm to 6.4 mm), practical tool to use to repair your car. These pliers are just for removing and installing rings.

Why We Like This:

Good investment for long term
Delivers what they promise

Best For almost All Situations: Glarks Piston Ring Expander tool

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Glarks is known for creating pragmatic and minimalist tool for people on the go, and its line of glarks piston ring expander tool definitely falls in line with that reputation. Adjustable ring pliers range from 3/64" to 1/4" in thickness, which can achieve quick and convenient installation of piston rings. It is great for a engine rebuild. The Fine-tooth design can compress piston rings in small engine increments, suitable for almost all situations. It is made of chrome-vanadium steel, high hardness, strong bite force and rust resistance, durable for long-term use.

It is suitable for almost all situations. These tools are good helper for repairing different types of car engine, and the pliers included will make piston rings' installation more easily.

Why We Like This:

Easy to use comes with ring installers for just about all size pistons
145 mm, which covers most commonly used sizes, suitable for most motor repairing
Good brand reputation

The 6 Best Piston Ring Expander tools (2023 reviews)

Our Top Picks:

Best Overall: Lisle Piston Ring Expander tool

Best For installing The Pistons: Tcj-Chen Piston Ring Expander tool

Best For Seating New Rings: Mmondod Piston Ring Expander tool

Best For Piston Exchanges: Yarrkc Piston Ring Expander tool

Best tool: Bbto Piston Ring Expander tool

Best For almost All Situations: Glarks Piston Ring Expander tool

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