Sealed Power Moly Piston Ring Set 4.000 Bore Performance — 8-Cylinder Engine Build

SKU: BDBR_E251K
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About Sealed Power Sealed Power engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Sealed Power

Sealed Power engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sealed Power lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Moly Ring Sets

Upgrade your engine's sealing capability with the Sealed Power Moly Piston Ring Set. Designed for high-performance applications with a 4.000-inch bore, these rings feature a moly-filled face that significantly reduces friction and improves wear resistance compared to standard cast rings. This advanced material composition allows for faster break-in times and superior sealing in demanding environments.

Performance Features

  • Bore Size: 4.000 inches
  • Ring Dimensions: 5/64 x 5/64 x 3/16 inch
  • Material: Steel with Moly Coating
  • Tension: Standard Tension
  • Application: 8-Cylinder Engines
  • Benefit: Reduced friction and improved heat transfer

These performance rings are built to withstand higher cylinder pressures, making them an excellent choice for street performance and light-duty racing applications. The steel construction offers greater durability than cast iron, ensuring that your engine maintains optimal compression over a longer service life. With a drop-in design, you can achieve professional-grade results without extensive machining. Whether you are upgrading your daily driver or building a weekend warrior, these rings provide the reliability and efficiency required for modern engine builds. Experience the difference in quality and performance with parts sourced from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Sealed Power

Sealed Power engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sealed Power lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Moly Ring Sets

Upgrade your engine's sealing capability with the Sealed Power Moly Piston Ring Set. Designed for high-performance applications with a 4.000-inch bore, these rings feature a moly-filled face that significantly reduces friction and improves wear resistance compared to standard cast rings. This advanced material composition allows for faster break-in times and superior sealing in demanding environments.

Performance Features

  • Bore Size: 4.000 inches
  • Ring Dimensions: 5/64 x 5/64 x 3/16 inch
  • Material: Steel with Moly Coating
  • Tension: Standard Tension
  • Application: 8-Cylinder Engines
  • Benefit: Reduced friction and improved heat transfer

These performance rings are built to withstand higher cylinder pressures, making them an excellent choice for street performance and light-duty racing applications. The steel construction offers greater durability than cast iron, ensuring that your engine maintains optimal compression over a longer service life. With a drop-in design, you can achieve professional-grade results without extensive machining. Whether you are upgrading your daily driver or building a weekend warrior, these rings provide the reliability and efficiency required for modern engine builds. Experience the difference in quality and performance with parts sourced from GGCRACING.

Product Details

Product Description

About Sealed Power

Sealed Power engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sealed Power lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

High-Performance Moly Ring Sets

Upgrade your engine's sealing capability with the Sealed Power Moly Piston Ring Set. Designed for high-performance applications with a 4.000-inch bore, these rings feature a moly-filled face that significantly reduces friction and improves wear resistance compared to standard cast rings. This advanced material composition allows for faster break-in times and superior sealing in demanding environments.

Performance Features

  • Bore Size: 4.000 inches
  • Ring Dimensions: 5/64 x 5/64 x 3/16 inch
  • Material: Steel with Moly Coating
  • Tension: Standard Tension
  • Application: 8-Cylinder Engines
  • Benefit: Reduced friction and improved heat transfer

These performance rings are built to withstand higher cylinder pressures, making them an excellent choice for street performance and light-duty racing applications. The steel construction offers greater durability than cast iron, ensuring that your engine maintains optimal compression over a longer service life. With a drop-in design, you can achieve professional-grade results without extensive machining. Whether you are upgrading your daily driver or building a weekend warrior, these rings provide the reliability and efficiency required for modern engine builds. Experience the difference in quality and performance with parts sourced from GGCRACING.

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