Sealed Power E-551KC Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-551KC

The Sealed Power E-551KC engine piston ring set is designed for reliable performance in select Mazda and Mercury vehicles. Engineered to precise specifications, this set supports efficient combustion and oil control for engines with a 78mm bore diameter.

• Compatible with Mazda 323, Miata, MX-3, and Mercury Capri, Tracer models
• Standard size piston ring set with 78.00 mm outside and bore diameter
• Top ring made of steel with chrome for durability and wear resistance
• Second ring constructed from grey iron with reverse torsional face design
• Oil ring features a 3-piece flex vent design with 4.00 mm width for effective oil control
• Ring groove widths measure 1.5 x 1.5 x 4.0 mm for precise fitment

Technical Specifications and Features

The E-551KC piston ring set includes three rings per cylinder designed to optimize engine sealing and oil management. The top ring has a barrel face design and is 1.50 mm wide, crafted from steel with chrome plating to resist wear and maintain compression. The second ring, also 1.50 mm wide, uses grey iron material and features a reverse torsional face to reduce blow-by gases. The oil ring is a 3-piece flex vent type with a 4.00 mm width, engineered to control oil consumption effectively. This set is intended for engines with four cylinders and a bore size of 78.00 mm, matching the exact specifications required for the listed Mazda and Mercury models.

Applications and Problem Solving

• Restores proper compression in Mazda 323, Miata, MX-3, and Mercury Capri, Tracer engines
• Reduces oil consumption and prevents excessive oil burning
• Minimizes blow-by gases to improve engine efficiency and emissions
• Addresses piston ring wear and sealing issues in 78 mm bore engines
• Supports engine rebuilds requiring standard size piston rings

Installation Notes and Tips

Ensure the cylinder bore is clean and within specification before installation. This piston ring set is not file fit, so it should be installed as standard size without modification. Proper ring end gap measurement and orientation according to manufacturer guidelines are critical 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 standards for durability and performance. The E-551KC set undergoes strict quality control to ensure consistent dimensions and material integrity. While specific warranty details are not provided, Sealed Power products typically come with coverage against manufacturing defects when installed according to specifications.