Sealed Power Moly Piston Ring Set 4.040 Bore Performance — 8-Cylinder Engine Build

SKU: BDBR_E251K40
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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.

Advanced Moly Ring Technology for 4.040 Bores

The Sealed Power Moly Piston Ring Set is the ultimate choice for engine builders working with a 4.040-inch bore. These rings are crafted from high-strength steel and finished with a moly coating to provide the best possible seal in a performance-oriented engine. By reducing friction and improving heat transfer, these rings help your engine operate more efficiently while protecting against premature wear.

Key Features

  • Bore Size: 4.040 inches
  • Ring Dimensions: 5/64 x 5/64 x 3/16 inch
  • Material: Steel with Moly Face
  • Tension: Standard Tension
  • Application: 8-Cylinder Engines
  • Performance: High-durability design

Whether you are restoring a classic muscle car engine or building a high-performance street machine, these rings offer the reliability you need. The moly coating is highly resistant to scuffing, ensuring that your engine maintains its compression even under heavy load. The drop-in design allows for a straightforward installation, saving you time without compromising on quality. As a critical component in your engine's combustion chamber, these rings are essential for maintaining consistent power and oil control. Ensure your engine build is completed with the highest quality parts available by shopping at 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.

Advanced Moly Ring Technology for 4.040 Bores

The Sealed Power Moly Piston Ring Set is the ultimate choice for engine builders working with a 4.040-inch bore. These rings are crafted from high-strength steel and finished with a moly coating to provide the best possible seal in a performance-oriented engine. By reducing friction and improving heat transfer, these rings help your engine operate more efficiently while protecting against premature wear.

Key Features

  • Bore Size: 4.040 inches
  • Ring Dimensions: 5/64 x 5/64 x 3/16 inch
  • Material: Steel with Moly Face
  • Tension: Standard Tension
  • Application: 8-Cylinder Engines
  • Performance: High-durability design

Whether you are restoring a classic muscle car engine or building a high-performance street machine, these rings offer the reliability you need. The moly coating is highly resistant to scuffing, ensuring that your engine maintains its compression even under heavy load. The drop-in design allows for a straightforward installation, saving you time without compromising on quality. As a critical component in your engine's combustion chamber, these rings are essential for maintaining consistent power and oil control. Ensure your engine build is completed with the highest quality parts available by shopping at 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.

Advanced Moly Ring Technology for 4.040 Bores

The Sealed Power Moly Piston Ring Set is the ultimate choice for engine builders working with a 4.040-inch bore. These rings are crafted from high-strength steel and finished with a moly coating to provide the best possible seal in a performance-oriented engine. By reducing friction and improving heat transfer, these rings help your engine operate more efficiently while protecting against premature wear.

Key Features

  • Bore Size: 4.040 inches
  • Ring Dimensions: 5/64 x 5/64 x 3/16 inch
  • Material: Steel with Moly Face
  • Tension: Standard Tension
  • Application: 8-Cylinder Engines
  • Performance: High-durability design

Whether you are restoring a classic muscle car engine or building a high-performance street machine, these rings offer the reliability you need. The moly coating is highly resistant to scuffing, ensuring that your engine maintains its compression even under heavy load. The drop-in design allows for a straightforward installation, saving you time without compromising on quality. As a critical component in your engine's combustion chamber, these rings are essential for maintaining consistent power and oil control. Ensure your engine build is completed with the highest quality parts available by shopping at GGCRACING.

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