Sealed Power E-251K Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-251K

The Sealed Power Engine Piston Ring Set E-251K is designed for reliable performance in a variety of classic and modern vehicles. Engineered to meet standard bore size specifications, this set is compatible with multiple makes and models including Chevrolet, Ford, Dodge, and more.

• Standard size piston ring set with 4.0000 inch outside diameter
• Top ring made of steel with molybdenum coating for wear resistance
• Second ring constructed from grey iron with phosphate coating
• 3-piece flex vent oil ring design for effective oil control
• Reverse torsional design on the second ring face for improved sealing
• Barrel face design on the top ring for enhanced ring-to-cylinder contact
• Compatible with 8-cylinder engines with 101.60 mm bore diameter

Technical Specifications and Features

This piston ring set features a 4.0000 inch (101.60 mm) bore diameter, suitable for standard size cylinder bores. The top ring has a radial wall thickness of 0.145 inches and a width of 5/64 inches, crafted from steel with a molybdenum coating to reduce wear and friction. The second ring is made from grey iron with a phosphate coating, also 5/64 inches wide, and incorporates 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 width of 3/16 inches, engineered to provide efficient oil scraping and control within the cylinder.

Compatible Vehicles and Applications

The Sealed Power E-251K piston ring set is compatible with a wide range of vehicles, including but not limited to Chevrolet Camaro, Ford Mustang, Dodge Charger, GMC Sierra, Jeep Wagoneer, and Cadillac DeVille. It fits 8-cylinder engines commonly found in models such as the Chevrolet Blazer, Ford F-150, Pontiac Grand Prix, and Oldsmobile Cutlass Supreme. This makes it suitable for engine rebuilds or repairs requiring standard size piston rings with precise fitment.

• Restores compression and reduces blow-by in worn engines
• Improves oil control to prevent excessive oil consumption
• Helps reduce piston ring noise and vibration
• Addresses loss of engine power due to poor ring sealing
• Supports engine longevity by maintaining proper cylinder sealing

Installation Notes and Tips

When installing the Sealed Power E-251K piston ring set, ensure the cylinder bore is properly honed and cleaned to standard specifications. The rings are not file fit, so verify the bore size matches the standard 4.0000 inch diameter. Install the rings carefully to avoid damage, paying attention to the orientation of the reverse torsional second ring and the barrel face top ring. Proper ring end gap and alignment are critical for optimal engine performance.

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet OEM standards for durability and performance. The E-251K set undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details are not provided, Sealed Power products typically come with a limited warranty against manufacturing defects, supporting professional engine rebuilds and repairs.