HomeEngine > Cylinder Block ComponentsSealed Power E-938K Engine Piston Ring Set
Part #: E-938K

Sealed Power E-938K Engine Piston Ring Set

⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, and Pontiac, CTS, Corvette, GTO, Camaro, and Firebird
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Overview of Sealed Power Engine Piston Ring Set E-938K

The Sealed Power Engine Piston Ring Set E-938K is designed for reliable performance in high-demand engines. This set is compatible with select Cadillac, Chevrolet, and Pontiac models, including Camaro, Corvette, CTS, Firebird, and GTO, ensuring precise fit and function.

  • Standard size piston ring set with 99.00 mm bore diameter
  • Includes 8 rings for 8-cylinder engines
  • Top ring features a barrel face design made of steel with molybdenum coating
  • Second ring has a reverse torsional face design and is constructed from grey iron
  • Oil ring is a 3-piece flex vent design with a 3.00 mm width
  • Ring groove widths measure 1.5 mm for top and second rings, 3.0 mm for oil ring

Technical Details and Material Specifications

The E-938K piston ring set is engineered to meet the demands of performance engines found in various GM vehicles. The top ring’s barrel face design helps maintain optimal sealing under combustion pressures, while the steel with molybdenum material reduces wear and friction. The second ring’s reverse torsional face and grey iron composition provide effective control of combustion gases and durability. The 3-piece flex vent oil ring design ensures efficient oil scraping and distribution, reducing oil consumption and maintaining engine cleanliness. With a precise 99.00 mm bore diameter and standard sizing, this set is ready for direct installation without the need for file fitting.

Compatible Vehicles and Applications

This piston ring set is compatible with 8-cylinder engines in the following vehicles:

  • Cadillac CTS
  • Chevrolet Camaro and Corvette
  • Pontiac Firebird and GTO

It is designed to restore proper sealing and compression in these engines, supporting engine rebuilds and maintenance.

Common Issues Addressed by the E-938K Piston Ring Set

  • Reduced compression due to worn or damaged piston rings
  • Increased oil consumption from ineffective oil ring sealing
  • Blow-by gases causing decreased engine performance
  • Excessive piston ring wear leading to engine noise and emissions issues
  • Engine overheating caused by poor ring sealing and lubrication

Installation Notes and Tips

  • Ensure cylinder bore is clean and within specification before installation
  • Use proper ring compressors and tools to avoid ring damage during installation
  • Verify ring end gaps and orientation according to manufacturer guidelines
  • Do not file fit; this set is standard size and ready for direct installation
  • Follow engine rebuild procedures for break-in and lubrication

Quality Assurance and Warranty Information

Sealed Power piston rings are manufactured to meet OEM specifications for durability and performance. The E-938K set undergoes rigorous quality control to ensure consistent dimensions 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.

BrandSealed Power
Part NumberE-938K
2nd Ring Face DesignReverse Torsional
2nd Ring MaterialGrey Iron
2nd Ring Width1.50
2nd Ring Width (mm)1.50
Bore Diameter99.00
Bore Size (mm)99.00
Cylinder Quantity8
Oil Ring Width3.00
Oil Ring Width (mm)3.00
Outside Diameter99.00
Outside Diameter (mm)99.00
Ring Set Groove Widths (mm)1.5 x 1.5 x 3.0
Short Circuit Protection3 Piece Flex Vent
Standard SizeStandard Size
Top Ring Face DesignBarrel Face
Top Ring MaterialSteel w/Moly
Top Ring Width1.50
Top Ring Width (mm)1.50

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005CadillacCTS5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2004CadillacCTS5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2004ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2004PontiacGTO5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2003ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2002ChevroletCamaro5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2002ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2002PontiacFirebird5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2001ChevroletCamaro5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2001ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2001PontiacFirebird5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2000ChevroletCamaro5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2000ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
2000PontiacFirebird5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1999ChevroletCamaro5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1999ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1999PontiacFirebird5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1998ChevroletCamaro5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1998ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1998PontiacFirebird5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard
1997ChevroletCorvette5.7LV8N/ADuctile 2nd Ring; Moly Steel Top Ring; Premium; Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm); Standard

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1253355641850CP

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.