Piston Ring Set 4.020 1.5 1.5 3.0mm

The Piston Ring Set 4.020 1.5 1.5 3.0mm by HASTINGS is a specialized component for mechanics working on small-block and mid-block engine overhauls. This OEM-quality piston ring set is essential for restoring proper compression sealing and oil control in the combustion chamber, which are critical for engine performance.

Manufactured to strict tolerances, this 4.020-inch bore ring set features a dual compression ring design (1.5mm and 1.5mm) paired with a 3.0mm oil control ring. The dual compression rings provide effective sealing and wear characteristics, while the thicker oil ring ensures consistent oil film control on cylinder walls. HASTINGS rings are made from premium cast iron and include advanced coatings for enhanced durability.

This ring set is ideal for mechanics restoring vintage muscle cars or rebuilding small-block Chevy platforms, ensuring compatibility with pistons that have a bore diameter of 4.020 inches. Proper installation requires careful honing of cylinder walls to achieve optimal performance.