Specifications
- Brand
- ARP
- Part #
- 900-2125
- UPC
- 672036039127
ARP 4.2125in Ring Compressor
$67.97
On Backorder — Expected to ship by Apr 29, 2026
Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.
ARP's 4.2125in Ring Compressor makes installing pistons easier. It's a well-built tool for engine rebuilds.
Key Features
- Compresses piston rings — makes installation into cylinder bores easier.
- 4.2125 inch bore size — fits specific engine applications.
- Well-built tool — designed for repeated use in engine building.
⚠️ 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
Specifications
- Brand
- ARP
- Manufacturer Part #
- 900-2125
- UPC
- 672036039127
Frequently Asked Questions
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ARP 4.2125in Ring Compressor
$67.97