ARP (900 4000) Ring Compressor

Description

Ensure smooth and efficient piston ring installation with the ARP (900-4000) Ring Compressor. CNC machined from 6061-T6 billet tube material, this compressor features a true radius for each bore diameter, allowing for precise fitting. The relieved design accommodates wire O-rings, while the Type 3 anodizing ensures durability. Bore sizes are clearly engraved for easy identification, ranging from 3.552 to 4.750 inches (SAE) and 75mm to 95.5mm (metric). MPN: ARP-900-4000.