Upgrade your Cadillac's engine performance with the Hastings Piston Rings 8-CYL Ring Set, designed for durability and efficiency in various models from 1968 to 1976. Precision Fit: Each ring is crafted to fit a 4.330-inch bore, ensuring optimal sealing and performance. Enhanced Durability: Constructed from iron with phosphate-coated surfaces, these rings resist wear and provide long-lasting reliability. Comprehensive Set: This set includes all necessary rings—top, second, and oil rings—allowing for a complete overhaul of your engine's sealing system. Optimized Thickness: With top and second rings measuring 5/64 inches and oil ring at 3/16 inches, they are designed to maintain proper compression and oil control. Easy Installation: Sold as a set of 8, these piston rings are ready to install, making your engine rebuilds more efficient. Designed specifically for Cadillac V8 engines, these Hastings piston rings ensure a reliable fit for models between 1968 and 1976.Elevate your engine’s performance with Hastings quality.