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Est. 1957
ARP

ARP 78.5mm Ring Compressor

$67.69

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ARP's 78.5mm Ring Compressor is a tool for installing piston rings into cylinders. It ensures rings are seated properly before the piston enters the bore.

Key Features

  • 78.5mm Bore Size — Fits pistons with rings for this specific bore diameter.
  • Steel Construction — Well-built tool designed for repeated use in an engine shop.
  • Prop 65 Compliant — Meets California's Proposition 65 requirements.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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ARP 78.5mm Ring Compressor

$67.69