Sealed Power E-558KC Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-558KC

The Sealed Power Engine Piston Ring Set E-558KC is designed for reliable performance in select Infiniti, Mercury, and Nissan vehicles. Engineered to precise specifications, this piston ring set supports optimal engine compression and oil control for models like the Nissan 300ZX and Infiniti Q45.

• Standard size piston ring set with 87.00 mm bore diameter
• Includes 6 rings for 6-cylinder engines
• Top ring made of steel with chrome coating and barrel face design
• Second ring constructed from grey iron with reverse torsional face
• Oil ring features a 3-piece flex vent design with 2.80 mm width
• Ring groove widths: 1.5 mm (top), 1.5 mm (second), and 2.8 mm (oil ring)

Technical Details and Material Specifications

This piston ring set (part number E-558KC) is manufactured to meet the exacting standards required for engine rebuilds and repairs on compatible vehicles. The top ring’s steel with chrome material and barrel face design help maintain effective sealing under high temperature and pressure conditions. The second ring’s grey iron composition and reverse torsional face design assist in controlling oil consumption and improving ring stability. The 3-piece flex vent oil ring with a 2.80 mm width ensures efficient oil scraping and distribution, reducing oil consumption and preventing blow-by.

Compatible Vehicles and Applications

This Sealed Power piston ring set is compatible with a range of Infiniti, Mercury, and Nissan models, including but not limited to:

• Infiniti J30, M30, Q45
• Mercury Villager
• Nissan 200SX, 300ZX, D21 Pickup, Maxima, Pathfinder, Quest

It is specifically designed for 6-cylinder engines with an 87.00 mm bore diameter, making it suitable for engine rebuilds requiring standard size piston rings.

Common Engine Issues Addressed

• Reduced engine compression due to worn or damaged piston rings
• Excessive oil consumption and oil burning
• Increased blow-by and reduced engine efficiency
• Engine misfires related to poor ring sealing
• Uneven wear on cylinder walls and piston rings

Installation Notes and Tips

• Ensure cylinder bore diameter matches the 87.00 mm specification before installation
• Use proper ring gap measurement tools to verify ring end gaps
• Install rings carefully to avoid damage to ring faces and grooves
• Follow manufacturer torque specifications for piston and ring assembly
• Do not file or modify rings as this set is standard size and not file fit

Quality Assurance and Warranty

Sealed Power piston rings are manufactured under strict quality control standards to ensure durability and performance. The E-558KC piston ring set is made from high-quality materials designed to withstand the demands of daily driving and engine operation. While specific warranty details may vary, Sealed Power products typically come with a limited warranty covering manufacturing defects. Consult product documentation for exact warranty terms.