Auto Barn
Est. 1957
ARP

ARP 4.020 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 4.020" ring compressor makes installing pistons into cylinders much easier. A must-have tool for engine rebuilding.

Key Features

  • Compresses piston rings for easier installation into cylinder bores — prevents ring damage.
  • Steel construction — durable and reliable for engine building.
  • Polished interior surface — slides smoothly over piston and rings.
  • Spring-loaded design — securely holds rings in place.
  • Designed for a 4.020 inch bore size — fits common performance engine builds.

⚠️ 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 4.020 Ring Compressor

$64.23