Sealed Power E-491KC Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-491KC

The Sealed Power Engine Piston Ring Set E-491KC is designed for reliable performance in Nissan and Toyota vehicles, including models like the Celica, Cressida, Maxima, and Supra. This set features precise dimensions and materials engineered to maintain optimal engine compression and oil control.

• Outside diameter: 83.00 mm
• Top ring width: 1.50 mm with steel and chrome construction
• 2nd ring width: 1.50 mm made of grey iron with reverse torsional face design
• Oil ring width: 4.00 mm featuring a 3-piece flex vent design
• Standard size piston ring set for 6-cylinder engines
• Ring groove widths: 1.5 x 1.5 x 4.0 mm

Technical Details and Material Specifications

This engine piston ring set includes three rings per cylinder designed to fit 6-cylinder engines with an 83.00 mm bore diameter. The top ring is constructed from steel with a chrome face and a barrel face design, providing durability and wear resistance. The second ring is made from grey iron and features a reverse torsional face design to improve sealing and reduce blow-by. The oil ring is a 3-piece flex vent type with a 4.00 mm width, engineered to optimize oil control and reduce oil consumption.

Compatible Nissan and Toyota Models

The Sealed Power E-491KC piston ring set is compatible with several Nissan and Toyota vehicles, including the Nissan 810 and Toyota Celica, Cressida, Maxima, and Supra models. This compatibility ensures proper fitment and performance for these specific engines requiring an 83 mm bore piston ring set.

Common Engine Issues Addressed

• Reduced engine compression due to worn or damaged piston rings
• Excessive oil consumption caused by ineffective oil ring sealing
• Increased blow-by and emissions from poor ring sealing
• Engine performance loss related to piston ring wear
• Uneven wear on cylinder walls due to improper ring fit

Installation Notes and Tips

• Ensure cylinder bore diameter matches the 83.00 mm specification before installation
• Use proper ring gap measurement tools to verify ring end gaps
• Install rings carefully to avoid damage to ring faces and grooves
• Follow manufacturer torque specifications for piston and connecting rod assembly
• Check for proper ring orientation, especially the reverse torsional second ring and barrel face top ring

Quality Assurance and Warranty

Sealed Power piston rings are manufactured to meet OEM specifications for durability and performance. The E-491KC set is produced with high-quality materials including steel with chrome plating and grey iron to ensure long service life. While specific warranty details are not provided, Sealed Power products typically adhere to industry standards for quality and reliability.