The Enginetech R42558-040 Engine Cast Iron Piston Ring Complete Set is designed for precise engine rebuilding and performance restoration. Crafted with high-quality cast iron, these piston rings ensure excellent sealing, durability, and consistent operation within your engine. This set includes top compression rings, second compression rings, and oil rings, all engineered to meet or exceed SAE guidelines for end gap and thickness specifications. The rings feature a top compression thickness of 5/64 inch, a second compression thickness of 5/64 inch, and an oil ring thickness of 3/16 inch, with an outside diameter of 4.250 inches, making them suitable for a variety of engine models. Whether you're restoring a classic engine or maintaining a modern powertrain, these rings provide reliable compression and oil control, essential for optimal engine performance and longevity. Enginetech has built a reputation since 1982 for providing high-quality engine parts, and this piston ring set exemplifies their commitment to precision engineering and customer satisfaction. Designed specifically for engine rebuilders and professional mechanics, these rings offer a straightforward installation process and consistent quality, helping you achieve the best possible engine rebuild results.

Features:

• High-quality cast iron construction for durability and longevity

• Includes complete set of piston rings: top, second, and oil rings

• Consistent end gaps following SAE guidelines for reliable sealing

• Designed for a wide range of domestic and import engines

• Ring outside diameter of 4.250 inches for versatile application