Auto Barn
Est. 1957
ARP

ARP 4.185 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.

Worn-out piston rings cause poor compression and oil burning. This ARP ring compressor safely compresses rings for engine assembly.

Key Features

  • 4.185 inch bore size — Fits pistons with this specific bore diameter for proper ring compression.
  • Durable steel construction — Built to last through multiple engine builds.
  • Polished interior surface — Prevents damage to piston rings during installation.
  • Secure clamping mechanism — Holds rings firmly in place while the piston is seated.

⚠️ 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 4.185 Ring Compressor

$67.97