Auto Barn
Est. 1957
ARP

ARP 4.125in 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.

ARP's 4.125in Ring Compressor tool makes installing piston rings easier. A solid piece for engine builders.

Key Features

  • Sized for 4.125 inch bore — fits pistons for that cylinder size.
  • Helps prevent ring and cylinder wall damage during installation.
  • Made by ARP, a well-known manufacturer of engine components.

⚠️ 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 4.125in Ring Compressor

$64.23