Sealed Power E-551X Engine Piston Ring Set

Sealed Power Engine Piston Ring Set Overview

The Sealed Power E-551X engine piston ring set is designed for reliable performance in select Mazda and Mercury vehicles. Engineered to meet standard bore size specifications, this set ensures proper sealing and oil control for engines with a 78.00 mm bore diameter.

• Compatible with Mazda 323, Miata, MX-3, Tracer and Mercury Capri models
• Standard size piston ring set with 78.00 mm outside and bore diameter
• Includes 4 cylinder piston rings with precise groove widths of 1.5 x 1.5 x 4.0 mm
• Top and 2nd rings made from durable grey iron with reverse torsional face design
• 3-piece flex vent oil ring design with 4.00 mm width for effective oil control

Technical Specifications and Features

The E-551X piston ring set features a standard size fitment with an outside diameter and bore size of 78.00 mm, suitable for 4-cylinder engines. The top and second rings are constructed from grey iron, providing durability and wear resistance. Both rings utilize a reverse torsional face design to maintain optimal sealing under varying engine conditions. The oil ring is a 3-piece flex vent design with a 4.00 mm width, engineered to efficiently manage oil distribution and reduce consumption. Groove widths are precisely set at 1.5 mm for the top and second rings and 4.0 mm for the oil ring, ensuring proper ring seating and function.

Applications and Problem Solving

• Restores compression and sealing in Mazda 323, Miata, MX-3, Tracer, and Mercury Capri engines
• Reduces oil consumption and blow-by through effective oil ring design
• Addresses piston ring wear and loss of engine performance
• Helps prevent cylinder wall scoring and uneven wear
• Supports engine rebuilds requiring standard size piston rings

Installation Notes and Tips

Installation of the Sealed Power E-551X piston ring set requires careful attention to ring orientation and proper gap setting. Ensure cylinders are clean and free of debris before installation. The reverse torsional face design rings should be installed according to manufacturer specifications to maintain sealing efficiency. This set is not file fit, so no additional machining is necessary for standard bore sizes. Use appropriate ring compressors and torque specifications during assembly to avoid damage.

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet OEM standards for durability and performance. The E-551X set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, Sealed Power products typically come with a limited warranty against manufacturing defects. Refer to the product documentation for complete warranty information.