Auto Barn
Est. 1957
ARP

ARP 3.880in Ring Compressor

$67.97

On Backorder

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

Compresses piston rings for installation into cylinder bores. Features a 3.880 inch bore size.

Key Features

  • 3.880 inch bore size — fits pistons with that specific bore diameter.
  • Steel construction — strong and durable for repeated use.
  • Smooth interior finish — prevents snagging or damaging piston rings during installation.
  • Secure locking mechanism — holds the compressor firmly in place while you install the piston.

⚠️ 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 3.880in Ring Compressor

$67.97