ARP Ring Compressor 85.5mm

ARP Ring Compressor 85.5mm Precision-engineered by ARP, the 85.5mm Ring Compressor is designed for effortless piston ring installation on engines that require an exact fit. Built for professional mechanics and serious enthusiasts, this tool ensures rings remain compressed evenly while guiding pistons into the bore without damage. Key Features Exact fit: 85.5mm diameter for consistent compression on specified pistons Durable construction: High-quality materials resist deformation and wear Even compression: Prevents ring splaying and reduces the risk of ring breakage Easy to use: Smooth operation allows quick repeated installations Professional finish: Engineered to ARP standards for reliability in performance builds Whether assembling a fresh short-block or replacing pistons, the ARP Ring Compressor 85.5mm delivers the precision and durability needed for seamless installation and long-term engine integrity.