Premium Piston Ring Set

The Sealed Power E-251K 40 Premium Piston Ring Set provides OE-quality replacement parts engineered for optimal engine performance. The face of the top rings is coated with the latest generation Plasma-Moly, which effectively decreases friction and offers high resistance to scuffing. These rings are manufactured to exacting tolerances, ensuring they meet or exceed original equipment manufacturer specifications. The set features standard ring end gaps, which facilitate easy installation during engine rebuilds. Specific dimensions for the oil ring width are 0.1875 IN, and both the 2nd and top ring widths are 0.0781 IN. According to available information, this piston ring set is compatible with Chevy SBC 327, 350, and 383 engines from 1968-1989, specifically for Non-Vortec engines. It is also available in a +.040 size for a 4.040" bore diameter. Users should click on the desired size before adding to the cart to ensure correct fitment. The product meets or exceeds OEM specifications and is designed as a direct replacement.