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OEMTOOLS™ 25037 Piston Ring Compressor (2-1/8” - 5")


Part #: 25037

SKU# 25037

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Product Overview

Part # 25037

The OEM Piston Ring Compressor is self-locking with double tension band and heavy duty pawl. It is designed to handle most types of rings in the majority of passenger cars, including those that are channeled and segmented. It has a beaded edge so that the compressor can't enter a cylinder with a piston. The 1/2 in. wide spring bands equalize the tension over the entire belt width so that the spring assembly may be compressed into the groove until it's flush with the piston.

  • Capacity: Fits 2-1/2 In. 5 In. Pistons
  • Height: 3-1/2 In.
  • Designed with Double Friction Brake Adjustment and Hardened Tool Ratchet
  • Constructed of High Grade Sping Steel with 1/4 In. Square Drive Adjuster
  • Beaded Edge Prevents Tool from Entering Cylinder with Pistons


Name OEMTOOLS™ 25037 Piston Ring Compressor (2-1/8” - 5")
Part # 25037
Weight 0.55 lbs
Warranty OEMTOOLS Limited Lifetime
Country of Origin CHN
Application Used to Compress Piston Rings When Installing Piston Into Block.
Color / Finish Black and Silver
Tool Material Steel
Maximum Ring Diameter (in) 5
Minimum Ring Diameter (in) 2.5
Package Contents 1 Piston Ring Compressor