MAHLE S41549 Single Plasma-Moly Piston Ring Set Chevy GMC 6.2L Diesel +.030"

The MAHLE S41549 is a single-cylinder Plasma-Moly piston ring set engineered for 1982–1993 Chevrolet and GMC Diesel V8 6.2L engines bored to a 4.006" (+.030") bore size. The "S" prefix designates this as a single-cylinder set, supplying rings for one piston — ideal for individual cylinder rebuilds or when purchasing rings per cylinder to complete a full engine overhaul.

Manufactured under the trusted MAHLE Clevite brand, these plasma-moly rings deliver exceptional wear resistance and sealing performance. The plasma-moly coating reduces friction, promotes faster ring seating, and provides outstanding durability in diesel applications where cylinder pressures and temperatures are demanding.

Key Features:

• Plasma-Moly coating for reduced friction and superior wear resistance
• Single-cylinder ring set — rings for one piston
• Designed for +.030" overbore applications (4.006" bore diameter)
• OEM-quality construction meeting or exceeding original specifications
• Engineered specifically for the 6.2L diesel V8 engine platform
• Promotes faster break-in and long service life

Order the correct bore size set after all machine work has been completed, as piston rings are non-returnable once the correct size is confirmed. Available in standard and multiple oversize options to match your final bore dimension.