4.390 Tapered Ring Compressor

The ARP 4.390 Tapered Ring Compressor (Model 900-3900) is a high-performance tool designed specifically for automotive enthusiasts and mechanics who demand precision during engine assembly. This tapered ring compressor streamlines the process of installing piston rings into cylinders, making it an essential asset for both professional and hobbyist rebuilders. With its robust construction and user-friendly design, it ensures that you can effectively manage the delicate task of piston installation with confidence.

Engineered for efficiency, the ARP 4.390 Tapered Ring Compressor features a tapered design that minimizes the risk of damaging the piston rings during installation. Made from high-quality materials, it offers both durability and lightweight handling, weighing just 0.42 lbs. Measuring 5.75 x 2.2 x 9.6 inches, this tool is compact enough to fit in any toolbox, yet robust enough to handle the demands of high-performance engine builds.

Ideal for professionals and DIY enthusiasts alike, this tapered ring compressor is compatible with a variety of engine types, making it perfect for automotive applications ranging from street performance to racing. Its design allows for precise alignment and compression, ensuring a seamless fit. Elevate your engine assembly process with the ARP 4.390 Tapered Ring Compressor, a tool that combines innovation with practicality.