Sealed Power E-640K Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-640K

The Sealed Power Engine Piston Ring Set E-640K is designed for reliable performance in Chrysler, Dodge, Jeep, and Plymouth vehicles. This set is engineered to meet the specifications required for models such as the Caravan, PT Cruiser, Wrangler, and Sebring, ensuring proper fit and function.

• Standard size piston ring set with 87.50 mm bore diameter
• Includes 4-cylinder piston rings compatible with multiple Chrysler, Dodge, Jeep, and Plymouth models
• Top ring features a barrel face design made of steel with molybdenum for durability
• Second ring constructed from grey iron with a reverse torsional face design
• Oil ring is a 3-piece flex vent design with a 3.00 mm width for effective oil control
• Ring groove widths are 1.5 mm for top and second rings, and 3.0 mm for the oil ring

Technical Details and Material Specifications

The E-640K piston ring set is manufactured to precise dimensions with an outside diameter and bore size of 87.50 mm, suitable for standard bore engines. The top ring’s barrel face design helps maintain optimal sealing under varying operating conditions, while the steel with molybdenum material enhances wear resistance. The second ring’s reverse torsional face and grey iron composition provide effective compression sealing and durability. The 3-piece flex vent oil ring design ensures efficient oil scraping and control, reducing oil consumption and emissions.

Compatible Vehicles and Applications

This piston ring set is compatible with a range of Chrysler, Dodge, Jeep, and Plymouth vehicles, including but not limited to:

• Chrysler PT Cruiser, Sebring, and Spirit
• Dodge Caravan, Grand Caravan, Daytona, and Stratus
• Jeep Liberty and Wrangler
• Plymouth Breeze and Voyager models

It is specifically designed for 4-cylinder engines with an 87.50 mm bore diameter, making it suitable for engine rebuilds or repairs requiring standard size piston rings.

Common Engine Issues Addressed by This Piston Ring Set

• Reduced compression due to worn or damaged piston rings
• Excessive oil consumption caused by ineffective oil ring sealing
• Increased blow-by gases affecting engine performance
• Engine smoking related to poor ring sealing
• Loss of power and fuel efficiency from ring wear

Installation Notes and Tips

• Ensure the cylinder bore diameter matches the 87.50 mm specification before installation
• Check ring end gaps and side clearances according to manufacturer guidelines
• Use proper ring compressors and tools to avoid ring damage during installation
• Do not file or modify rings as this set is not a file fit type
• Follow engine rebuild procedures for ring orientation and torque specifications

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet industry standards for durability and performance. The E-640K set undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Sealed Power products typically come with a limited warranty against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms.