Auto Barn
Est. 1957
ARP

ARP 85.0mm Ring Compressor

$67.69

On Backorder

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

ARP 85mm Ring Compressor Tool 901-8500. Ensures proper piston ring seating during engine assembly.

Key Features

  • Compresses piston rings — allows piston installation into cylinder bore.
  • 85.0mm bore size — fits pistons for that specific bore diameter.
  • Steel construction — built for durability in the shop.

⚠️ 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 85.0mm Ring Compressor

$67.69