The Enginetech R40058-020 Engine Cast Iron Piston Ring Complete Set is designed to deliver reliable sealing and optimal engine performance for various V8 engine applications. Crafted with precision to meet industry standards, these piston rings ensure proper compression and oil control, helping to extend engine life and maintain efficiency. Made from durable cast iron, they are engineered specifically for professional engine rebuilders seeking high-quality components. This complete set includes top compression rings, second compression rings, and oil rings, all manufactured to strict SAE guidelines for consistent end gaps and uniform performance. The rings feature a 5/64 inch thickness for the compression rings and a 3/16 inch thickness for the oil ring, with an outside diameter of 4.000 inches, making them suitable for a range of engine rebuilds. Whether restoring a classic muscle car or maintaining a workhorse truck, this set provides the essential components needed for a thorough and reliable rebuild process.

Features:

• Top compression ring thickness: 5/64 inch for effective sealing and compression

• Second compression ring thickness: 5/64 inch to complement the top ring and improve combustion efficiency

• Oil ring thickness: 3/16 inch designed for effective oil control and lubrication

• Ring outside diameter: 4.000 inches for compatibility with specified engine bore sizes

• Engineered by Enginetech for precise fit and durability in demanding engine rebuilds

• Complete set includes all necessary piston rings for a comprehensive rebuild