Sealed Power E-991K Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-991K

The Sealed Power E-991K engine piston ring set is designed for reliable performance in Chrysler, Dodge, Jeep, and Ram vehicles. This set is engineered to meet the specifications of 8-cylinder engines with a bore diameter of 99.50 mm, ensuring proper fit and function.

• Standard size piston ring set with 99.50 mm outside diameter
• Top ring made of steel with molybdenum coating and barrel face design
• Second ring constructed from grey iron with phosphate coating and reverse torsional face
• Oil ring features a 3-piece flex vent design with 2.00 mm width
• Compatible with multiple Chrysler, Dodge, Jeep, and Ram models including Ram 1500, 2500, 3500, Grand Cherokee, Charger, and more

Technical Specifications and Design Features

The E-991K piston ring set includes three rings per cylinder designed to optimize sealing and oil control. The top ring has a 1.20 mm width and a radial wall thickness of 3.610 mm, crafted from steel with a molybdenum coating to reduce wear. Its barrel face design helps maintain effective compression sealing. The second ring, also 1.20 mm wide, is made from grey iron with a phosphate coating and features a reverse torsional face to improve ring stability and reduce blow-by. The oil ring is a 3-piece flex vent type with a 2.00 mm width, designed to efficiently control oil consumption and maintain proper lubrication. This set is intended for 8-cylinder engines with a bore size of 99.50 mm and does not require file fitting.

Compatible Vehicles and Applications

This piston ring set is compatible with a range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 8-cylinder engines. Key compatible models include:

• Chrysler 300 and Aspen
• Dodge Challenger, Charger, Durango
• Jeep Commander, Grand Cherokee
• Ram 1500, 1500 Classic, 2500, 3500

Using the Sealed Power E-991K ensures proper fitment and performance in these vehicles, supporting engine efficiency and longevity.

Common Engine Issues Addressed

• Reduced compression due to worn or damaged piston rings
• Excessive oil consumption from ineffective oil ring sealing
• Blow-by gases causing decreased engine performance
• Uneven wear on cylinder walls and piston rings
• Engine smoking related to poor ring sealing

Installation Notes and Tips

• Verify bore diameter matches 99.50 mm specification before installation
• Ensure proper ring orientation: top ring with barrel face outward, second ring with reverse torsional face
• Use appropriate ring compressor tools to avoid ring damage during installation
• Check cylinder walls for wear or damage prior to ring installation
• Do not file fit; this set is standard size and ready for direct installation

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet OEM standards for durability and performance. The E-991K set undergoes strict 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.