Auto Barn
Est. 1957
ARP

ARP 4.090in Ring Compressor

$64.23

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 compression loss. This ARP ring compressor is a direct fix for installing new rings.

Key Features

  • 4.090 inch bore size — Fits common V8 engine cylinder bores.
  • Durable steel construction — Built to last through multiple engine builds.
  • Simplifies installation — Makes it easier to get pistons into cylinders without damaging rings.

⚠️ 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 4.090in Ring Compressor

$64.23