ARP 900-1250 4.125-Inch Tapered Piston Ring Compressor

The ARP 900-1250 piston ring compressor is designed for use with 4.125-inch bores. Its tapered design supports piston ring installation while helping provide a consistent compression profile during assembly.

Constructed from aluminum and finished in black anodizing, this compressor combines a lightweight material with a durable surface finish. The tapered configuration is suited to engine-building applications where controlled ring compression is needed.

The ARP 900-1250 is sold individually and offers a purpose-built solution for installing piston rings in compatible 4.125-inch bore applications. Its professional-grade construction makes it a practical addition to an engine assembly tool collection.

Features:

• Bore Size: Designed for 4.125-inch bores
• Design: Tapered piston ring compressor
• Material: Aluminum construction
• Finish: Black anodized finish
• Product Type: Piston ring compressor
• Quantity: Sold individually