Arp Tapered Piston Ring Compressor – Model Ar899-9050

Description

Tapered Piston Ring Compressor 899-9050 AR899-9050 fits 3.905″ Bore ARP RING COMPRESSOR 3.905″ ARP’s new ring compressors are CNC machined from 6061-T6 billet tube material and feature a true radius for each different bore diameter. What’s 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 100mm (metric). The true radius design is far superior to conventional “tapered” devices, and widely acclaimed by professional engine builders! This is truly the very best piston ring compressor on the market today.

Explore more from our collection.