Sealed Power E-458K Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-458K

The Sealed Power Engine Piston Ring Set E-458K is designed for reliable performance in Ford, Lincoln, and Mercury vehicles. This set is engineered to meet the specifications required for 8-cylinder engines with a 4.0000 inch bore diameter, ensuring proper sealing and oil control.

• Standard size piston ring set with 4.0000 inch outside diameter
• Includes 8 rings for 8-cylinder engines
• Top ring made of steel with molybdenum coating and barrel face design
• 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
• Ring groove widths: 1.5 mm (top), 1.5 mm (second), and 4.0 mm (oil ring)

Technical Details and Material Specifications

The E-458K piston ring set is manufactured to standard size specifications with a bore diameter of 4.0000 inches, suitable for a range of Ford, Lincoln, and Mercury models including the Mustang, F-150, Explorer, and Town Car. The top ring uses a steel base with a molybdenum coating to reduce wear and improve durability, featuring a barrel face design that enhances sealing efficiency. The second ring is made from grey iron and incorporates a reverse torsional face design to help control combustion gases and reduce blow-by. The oil ring is a 3-piece flex vent type, 4.00 mm wide, designed to maintain optimal oil control and reduce oil consumption.

Compatible Vehicles and Applications

This piston ring set is compatible with a variety of Ford, Lincoln, and Mercury vehicles equipped with 8-cylinder engines and a 4.0000 inch bore size. Common applications include:

• Ford Mustang and F-150 series
• Lincoln Continental and Mark VII
• Mercury Cougar and Mountaineer
• Ford Econoline vans (E-150, E-250, E-350)
• Other models such as Bronco, Capri, Thunderbird, and Town Car

Common Issues Addressed by the E-458K Piston Ring Set

• Reduced compression due to worn or damaged piston rings
• Excessive oil consumption from poor oil ring sealing
• Increased blow-by and loss of engine power
• Engine smoking caused by oil leakage past piston rings
• Uneven wear leading to decreased engine efficiency

Installation Notes and Tips

When installing the Sealed Power E-458K piston ring set, ensure the cylinder bore is properly cleaned and measured to confirm the 4.0000 inch size. Use appropriate ring compressors and follow manufacturer torque specifications for piston installation. Avoid file fitting as this set is standard size and not designed for custom fitting. Proper ring end gap and orientation should be checked to maintain engine performance and longevity.

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet OEM standards for durability and performance. The E-458K set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Sealed Power products typically include coverage against manufacturing defects. Consult product documentation or authorized sources for warranty terms.