Sealed Power E-542KC Engine Piston Ring Set

Sealed Power E-542KC Engine Piston Ring Set

Sealed Power E-542KC is a standard-size engine piston ring set built for 86.00 mm bore applications with 1.5 x 1.5 x 4.0 mm ring groove widths. It uses a steel top ring with moly face, a grey iron second ring, and a 3-piece flex vent oil ring design for precise cylinder sealing in compatible 4-cylinder engines.

Key Features

• Standard-size piston ring set for 86.00 mm bore diameter
• Ring groove widths: 1.5 mm top, 1.5 mm second, 4.0 mm oil
• Top ring material: steel with moly face for wear resistance
• Second ring material: grey iron with reverse torsional face design
• Oil ring design: 3-piece flex vent
• Built for 4-cylinder engine applications
• Sealed Power part number E-542KC

Detailed Description

Sealed Power E-542KC is engineered for engines that require an 86.00 mm standard bore and the specified 1.5 x 1.5 x 4.0 mm ring package. The barrel-face top ring, reverse torsional second ring, and flex vent oil ring design work together to support cylinder sealing, oil control, and consistent compression in service. This part is listed for applications including 1983-1992 Mazda 626, 1988-1992 Mazda MX-6, 1986-1987 Mazda B2000, 1987-1993 Mazda B2200, 1989-1992 Ford Probe, and 1995 Kia Sportage. This part cross-references Standard Ignition PS603 for the same application.

Common Repair Uses

• Restoring compression in a worn engine
• Addressing oil consumption caused by ring wear
• Correcting blow-by from poor cylinder sealing
• Rebuilding an engine with standard bore dimensions
• Replacing damaged or fatigued piston rings during overhaul

Installation Notes and Tips

Verify bore diameter, ring groove widths, and piston specifications before installation. Confirm that the engine is set up for a standard 86.00 mm bore and that the ring end gaps meet the engine builder’s measurements. Clean the ring grooves thoroughly, inspect cylinder walls, and follow the service manual for ring orientation and break-in procedures. Fitment includes 1983-1992 Mazda 626, 1988-1992 Mazda MX-6, 1986-1987 Mazda B2000, 1987-1993 Mazda B2200, 1989-1992 Ford Probe, and 1995 Kia Sportage.

Quality Assurance

Sealed Power uses modern materials and ISO- and QS-certified manufacturing processes to produce engine components that meet demanding engine service requirements. E-542KC is built to the listed specifications for accurate fitment in the confirmed applications.