The ARP Piston Ring Compressor is a precision tool for installing pistons into the bore with the rings fitted. It is CNC-machined from 6061-T6 billet aluminum with a true-radius bore, Type 3 black anodized for durability, and the bore size is engraved for easy identification. This is the 87.25mm size.
| Type | Piston ring compressor |
| Bore | 87.25 mm |
| Material | 6061-T6 billet aluminum, Type 3 black anodized |
| Use | Engine assembly / piston installation |
| Part Number | 901-8725 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
