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Seven-piece piston ring compressor set with six metal bands and clip pliers

Westward

Westward 45JW57 piston ring compressor set 7 pieces

SKU CH-BW5K-PWE13

Seven-piece piston ring compressor set with clip pliers and six metal bands covering 2-7/8 to 4-3/8 inches for engine assembly

  • 7-piece set covers piston rings from 2-7/8 in. to 4-3/8 in.
  • Mid-carbon steel bands resist deformation during repeated engine work
  • Clip pliers included for quick band adjustment and removal
  • Designed for assembling and disassembling pistons in engine systems
  • New condition ensures full factory specification and clean surfaces

Piston Ring Compressor Set

This 7-piece set provides the bands and clip pliers needed to assemble and disassemble pistons during engine work. It is intended for mechanics and technicians servicing internal combustion engines. The mid-carbon steel and metal construction supports repeated workshop use.

Engine Service Workflow

The compressor bands fit around piston rings to compress them for cylinder installation, while the included clip pliers assist with circlip removal and fitting. Together they reduce the number of separate tools a technician must reach for during a rebuild. The set covers ring diameters from 2-7/8 in. up to 4-3/8 in. across six stepped bands.

Capacity and Limitations

Six metal bands address the listed diameter range, giving coverage for many common piston sizes. Work on engines with rings outside this span will require additional compressors. The tooling is specific to piston ring compression and circlip handling and does not replace other engine assembly fixtures.

Highlights

  • 7-piece set covers piston rings from 2-7/8 in. to 4-3/8 in.
  • Mid-carbon steel bands resist deformation during repeated engine work
  • Clip pliers included for quick band adjustment and removal
  • Designed for assembling and disassembling pistons in engine systems
  • New condition ensures full factory specification and clean surfaces

Specifications

BrandWESTWARD

Questions about this item

Which band sizes cover the piston rings I need to compress?

Six metal bands span 2-7/8 In. to 3-1/8 In., 3-1/8 In. to 3-3/8 In., 3-3/8 In. to 3-5/8 In., 3-5/8 In. to 3-7/8 In., 3-7/8 In. to 4-1/8 In., and 4-1/8 In. to 4-3/8 In.

What noise or heat should I expect when using the compressor all day?

The set is a hand-operated tool with mid-carbon steel bands and clip pliers, so it produces no motor noise, vibration, or heat during continuous use.

What other tools are required to assemble and disassemble the piston with this set?

Only basic hand tools such as a wrench or socket to turn the compressor screw and a clean work surface are needed alongside the included clip pliers and bands.

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