Description
The PS156 RC4 Piston Ring Compressor is a precision tool designed for smooth, hassle-free piston installation. Built from high-grade billet aluminum with a black anodized finish, it resists corrosion and stands up to heavy workshop use. Compatible with piston sizes from 4.575" to 4.700", its tapered design ensures even compression, reducing the risk of ring damage during engine assembly. Ideal for mechanics and engine builders, it delivers consistent performance whether you're rebuilding a race car or tuning a daily driver. Tough, reliable, and engineered for repeat use, the RC4 makes piston installs fast, safe, and frustration-free.