ARP Tapered Ring Compressors - 0 - 0 UNIVERSAL NON APPLICATION SPECIFIC ALL ALL ALL ; - 900-3500 ARPs new ring compressors are CNC machined from 6061-T6 billet tube material and feature a true radius for each different bore diameter. Whats more, they are relieved for wire O-rings on bottom. Type 3 anodizing is used for long life, and the bore size is prominently engraved in 3/4? high numbers for easy identification. Standard stocking sizes from 3. 552? to 4. 750? (SAE) and 75mm to 95. 5mm (metric). Model # 900-3500.
