The ARP Ring Compressor 4.0400 (Product Code: 900-1550) is an essential tool for engine builders and enthusiasts looking to properly install piston rings. This specialty kit is specifically designed for use with 4.0400 inch bore sizes, ensuring a precise and secure fit every time. Made by the trusted brand ARP, you can trust in the quality and durability of this product.

As part of ARP's extensive product line, the Ring Compressor Specialty Kit is manufactured in their state-of-the-art facilities in Southern California. With over 200,000 square feet of operational space dedicated to forging, heat-treating, machining, quality control, and packaging/warehousing, ARP ensures that every product meets the highest standards. Whether you're working on a high performance race car or a classic restoration project, you can rely on ARP's expertise and commitment to quality.

From OEM replacement parts to specialty hardware for professional racing applications, ARP has established itself as a leader in the automotive industry. The Ring Compressor 4.0400 is just one example of their dedication to providing innovative and reliable solutions for engine builders. Trust in ARP for all your fastener needs, and experience the difference that quality craftsmanship can make in your project.