Product details:

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 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. If youre looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of durability and strength needed to provide long-lasting service life. Superior in functionality, it will help you make any job easier and faster.