Sealed Power E-988K Engine Piston Ring Set

Overview of Sealed Power Engine Piston Ring Set E-988K

The Sealed Power Engine Piston Ring Set E-988K is designed for reliable performance in select Buick, Chevrolet, GMC, Oldsmobile, and Saab vehicles. Engineered to meet standard bore size specifications, this piston ring set supports efficient engine operation in models such as the Trailblazer, Envoy, and Bravada.

• Standard size piston ring set with 93.00 mm bore diameter
• Top ring made of steel with molybdenum coating for durability
• 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 6-cylinder engines

Technical Specifications and Features

This piston ring set features a 93.00 mm outside diameter and bore size, matching the standard size requirements for compatible engines. The top ring has a width of 1.20 mm and a radial wall thickness of 3.610 mm, crafted from steel with a molybdenum coating to reduce wear and friction. The second ring is 1.50 mm wide, made from grey iron with a phosphate coating, and incorporates a reverse torsional face design to maintain optimal compression. The oil ring is a 3-piece flex vent type with a 2.50 mm width, designed to provide effective oil scraping and control within the cylinder walls. This set is intended for 6-cylinder engines found in various GM and Saab models.

Compatible Vehicles and Applications

The Sealed Power E-988K piston ring set is compatible with the following makes and models:

• Buick: Compatible with select 6-cylinder engines
• Chevrolet: Suitable for Trailblazer, Trailblazer EXT, and other 6-cylinder models
• GMC: Fits Bravada and Envoy series including Envoy XL and Envoy XUV
• Oldsmobile: Applicable to certain 6-cylinder engine configurations
• Saab: Compatible with the 9-7x model

Common Engine Issues Addressed

• Reduced compression due to worn or damaged piston rings
• Excessive oil consumption caused by ineffective oil ring sealing
• Blow-by gases leading to decreased engine efficiency
• Increased friction and wear from substandard ring materials
• Engine performance loss related to improper ring face design

Installation Notes and Tips

• Ensure cylinder bore diameter matches the 93.00 mm specification before installation
• Use proper ring gap measurement tools to verify ring end gaps
• Install rings carefully to avoid damage to coatings and ring faces
• Follow manufacturer torque specifications for piston and ring 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 standards for durability and performance. The E-988K 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 exact warranty terms.