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PISTON RING BAND 3-7/8 TO 4-1/8 - Cal-van Tools

Part #: 641-5

The Cal-van Tools 641-5 Piston Ring Band is an essential tool designed for professional automotive and industrial technicians. This robust band simplifies the installation of piston rings, ensuring precise compression and preventing ring breakage during assembly. Its durable construction and effective clamping mechanism make it a reliable choice for demanding engine work.

Key Features

  • Adjustable Range: Accommodates piston diameters from 3-7/8 inches to 4-1/8 inches, offering versatility for various engine types.
  • Positive Locking Action: Features a secure locking mechanism that maintains consistent pressure around the piston rings, ensuring smooth installation into cylinder bores.
  • Spring Steel Construction: Crafted from high-quality spring steel for enhanced durability and resistance to deformation under repeated use.
  • Tapered Design: The band's tapered edge guides piston rings effortlessly into the cylinder, minimizing potential damage.
  • Professional Grade: Built to withstand the rigors of frequent use in professional workshop environments.

Applications

This piston ring band is ideal for mechanics and engine builders working on a range of automotive, light truck, and industrial engines within its specified size range. It is particularly useful when performing engine overhauls, rebuilds, or replacing pistons and connecting rods, ensuring proper seating of piston rings for optimal engine performance and longevity.

Only 2 left in stock - order soon

$9.09

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This product was added to our catalog on Sunday 31 May, 2026.

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