ARP 901-8950 Piston Ring Compressor Tool

The ARP 901-8950 is a precision-engineered piston ring compressor designed for professional engine builders and serious automotive enthusiasts. CNC machined from 6061-T6 billet aluminum tube material, this tool features a true radius bore design that provides superior performance compared to conventional tapered ring compressors.

Key Features:

• CNC machined from 6061-T6 billet aluminum for exceptional strength and durability
• True radius bore design ensures even compression and prevents ring damage
• Relieved bottom edge accommodates wire O-rings for secure sealing
• Type 3 hard anodized finish for long-lasting wear resistance
• Bore size prominently engraved in 3/4 inch high numbers for quick identification
• Professional-grade tool trusted by engine builders worldwide

The true radius design of this ARP ring compressor distributes compression force evenly around the entire piston ring circumference, significantly reducing the risk of ring breakage during installation. The precision machining ensures consistent bore diameter throughout the length of the tool, making piston installation smooth and reliable. The durable Type 3 anodizing provides a hard, wear-resistant surface that will withstand years of professional use.