Sealed Power E-1025KC Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-1025KC

The Sealed Power Engine Piston Ring Set E-1025KC is designed for Subaru vehicles including the Baja, Forester, Impreza, Legacy, Outback, WRX, and WRX STI. This standard size piston ring set features precise dimensions and materials engineered to maintain optimal engine performance and durability.

• Outside diameter: 99.50 mm
• Top ring width: 1.20 mm with steel and chrome construction
• Second ring width: 1.20 mm made of cast iron with reverse torsional face design
• Oil ring width: 2.00 mm featuring a 3-piece flex vent design with low tension
• Top ring face design: barrel face for improved sealing
• Compatible with 4-cylinder Subaru engines

Technical Details and Design Features

The E-1025KC piston ring set includes three rings per cylinder designed to optimize sealing and oil control. The top ring is constructed from steel with a chrome coating and has a barrel face design to enhance ring-to-cylinder wall contact and reduce blow-by. The second ring is made from cast iron and features a reverse torsional face design, which helps maintain ring tension and improve compression sealing. The oil ring is a 3-piece flex vent type with low tension and a 2.00 mm width, designed to effectively control oil consumption while minimizing friction. The set is manufactured to standard bore size specifications of 99.50 mm, suitable for Subaru 4-cylinder engines found in models such as the WRX and Forester.

Compatible Subaru Models and Applications

• Subaru Baja
• Subaru Forester
• Subaru Impreza
• Subaru Legacy
• Subaru Outback
• Subaru WRX
• Subaru WRX STI

This piston ring set is ideal for engine rebuilds or repairs requiring replacement of worn or damaged piston rings in these Subaru models.

Common Engine Issues Addressed

• Reduced compression due to worn piston rings
• Excessive oil consumption from ineffective oil control rings
• Blow-by gases causing decreased engine efficiency
• Loss of power and increased emissions
• Engine noise related to poor ring sealing

Installation Notes and Tips

Ensure the cylinder bore diameter matches the 99.50 mm specification before installation. This piston ring set is standard size and does not require file fitting. Proper ring end gap measurement and orientation according to manufacturer guidelines are essential for optimal performance. Use appropriate ring compressors and avoid damaging the ring surfaces during installation.

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet OEM specifications for durability and performance. While specific warranty details are not provided, Sealed Power products typically adhere to industry standards for quality and reliability, supporting long-term engine operation when installed correctly.