Lisle 21000 Ring Compressor, Adjustable 3-1/2" To 7" Range, 7" High

Lisle 21000 Ring Compressor, Adjustable 3-1/2" To 7" Range, 7" High

• Lisle 21000 is an adjustable piston ring compressor used to compress rings for piston installation during engine assembly and service. It adjusts to fit pistons from 3-1/2" to 7" in diameter and uses a spring clutch design for a secure fit and positive locking action.
• Features:
  • Adjustable range from 3-1/2" to 7" helps cover common passenger and diesel piston sizes for installation work.
  • Spring clutch design helps eliminate ratchet related issues while supporting a secure fit on the piston.
  • Positive locking action helps hold the band tight during piston insertion.
  • 7" height supports use on deeper piston assemblies where added band height is needed.
  • Application specific tool for compressing piston rings during piston installation in engine service and rebuild work.
• Specifications:
  • Manufacturer: Lisle
  • Part Number: 21000
  • MPN: 21000
  • UPC: 083045210009
  • Product Type or Function: Piston ring compressor
  • Adjustable: Yes
  • Size Range: 3-1/2" to 7"
  • Height: 7"
  • Material: Steel
  • Finish: Black anodized
  • Packaging Type: Boxed
  • Alternate Part Numbers or Cross References: LI21000
  • System Compatibility or Application: Used to compress piston rings for installing pistons in engine cylinders during assembly and repair
• The Ring Compressor can also be referred to as piston ring compressor, adjustable ring compressor, engine ring compressor tool, piston installation ring compressor, and spring clutch ring compressor.

Lisle is a specialty automotive tool manufacturer that produces service tools for professional repair shops and maintenance work. The brand is known for mechanic focused tools across areas such as engine service, lubrication, tire service, and general underhood repair.

Q: What piston size range does the Lisle 21000 fit?A: It adjusts to fit pistons from 3-1/2" to 7" in diameter.

Q: How tall is the compressor band?A: The listed height is 7".

Q: What is the locking mechanism used on this ring compressor?A: It uses a spring clutch design that provides a secure fit on the piston with a positive locking action.

Q: Is LI21000 the same item as 21000?A: LI21000 is used as an alternate ordering reference for this Lisle 21000 ring compressor by some distributors.