Mahle Rings Performance Steel Napier THM-13 4.505 x .043 .135 RW Plain Ring Set

These Mahle Performance Steel Napier piston rings feature a 4.505-inch bore size with a .043-inch top ring and a .135-inch oil ring. The Napier hook design on the top ring helps to improve oil control and reduce blow-by, especially under demanding conditions. This set is designed for performance applications where a reliable seal is critical for engine health and power output.

Constructed from durable steel, these rings are built to withstand the rigors of performance engines. The specific dimensions ensure a precise fit within the cylinder bore, contributing to efficient combustion and proper oil management. Mahle OE is a well-known name in engine components, and this ring set reflects their commitment to providing solid parts for engine builds.