Sealed Power Main Bearing Set 0.030 Undersize — Fits Mopar RB-Series Engines

SKU: BDBR_4095M30
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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.

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Maximize Your Mopar RB-Series Engine's Potential with Sealed Power 0.030 Undersize Main Bearings

For the legendary Mopar RB-Series engines, known for their formidable power and torque, every internal component must meet the highest standards. The Sealed Power Main Bearing Set (0.030 Undersize) is specifically engineered for RB-Series engines where the crankshaft journals have been precisely machined to a 0.030-inch undersize. This kit is a cornerstone for any serious engine build or restoration, providing unparalleled support and lubrication for the crankshaft. It ensures that your Mopar RB-Series operates with maximum efficiency, reduced friction, and exceptional longevity, even under the most demanding conditions.

Uncompromising Quality for Mopar RB Performance

Sealed Power stands as a leader in engine component manufacturing, and these main bearings for the Mopar RB-Series are a testament to their engineering prowess. Constructed from premium bimetallic materials, they offer an optimal balance of strength, conformability, and embeddability. The precise dimensional accuracy is critical for maintaining proper oil clearances, which directly impacts oil pressure stability and prevents premature wear. These bearings are designed to handle the immense stresses of high-performance RB-Series applications, providing a reliable interface for the crankshaft's rotation.

  • Advanced Bimetallic Construction: Combines strength and resilience for superior performance and extended life.
  • Exceptional Load-Carrying Capacity: Built to withstand the high forces and pressures of powerful RB-Series engines.
  • Optimized for Oil Film: Ensures a consistent and protective oil layer, minimizing metal-to-metal contact.
  • Exact RB-Series Fitment: Specifically designed for Mopar RB-Series engines requiring a 0.030" undersize.

The Ultimate Choice for Mopar RB-Series Engine Builds

Investing in high-quality main bearings like this Sealed Power set is crucial for the success and durability of your Mopar RB-Series engine. It provides the essential support and precision needed to unlock and sustain the full potential of your big-block Mopar. Trust in Sealed Power for components that deliver on performance and reliability, ensuring your RB-Series engine performs flawlessly. Explore our full range of Mopar RB-Series parts 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.

Watch in action

Maximize Your Mopar RB-Series Engine's Potential with Sealed Power 0.030 Undersize Main Bearings

For the legendary Mopar RB-Series engines, known for their formidable power and torque, every internal component must meet the highest standards. The Sealed Power Main Bearing Set (0.030 Undersize) is specifically engineered for RB-Series engines where the crankshaft journals have been precisely machined to a 0.030-inch undersize. This kit is a cornerstone for any serious engine build or restoration, providing unparalleled support and lubrication for the crankshaft. It ensures that your Mopar RB-Series operates with maximum efficiency, reduced friction, and exceptional longevity, even under the most demanding conditions.

Uncompromising Quality for Mopar RB Performance

Sealed Power stands as a leader in engine component manufacturing, and these main bearings for the Mopar RB-Series are a testament to their engineering prowess. Constructed from premium bimetallic materials, they offer an optimal balance of strength, conformability, and embeddability. The precise dimensional accuracy is critical for maintaining proper oil clearances, which directly impacts oil pressure stability and prevents premature wear. These bearings are designed to handle the immense stresses of high-performance RB-Series applications, providing a reliable interface for the crankshaft's rotation.

  • Advanced Bimetallic Construction: Combines strength and resilience for superior performance and extended life.
  • Exceptional Load-Carrying Capacity: Built to withstand the high forces and pressures of powerful RB-Series engines.
  • Optimized for Oil Film: Ensures a consistent and protective oil layer, minimizing metal-to-metal contact.
  • Exact RB-Series Fitment: Specifically designed for Mopar RB-Series engines requiring a 0.030" undersize.

The Ultimate Choice for Mopar RB-Series Engine Builds

Investing in high-quality main bearings like this Sealed Power set is crucial for the success and durability of your Mopar RB-Series engine. It provides the essential support and precision needed to unlock and sustain the full potential of your big-block Mopar. Trust in Sealed Power for components that deliver on performance and reliability, ensuring your RB-Series engine performs flawlessly. Explore our full range of Mopar RB-Series parts 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.

Watch in action

Maximize Your Mopar RB-Series Engine's Potential with Sealed Power 0.030 Undersize Main Bearings

For the legendary Mopar RB-Series engines, known for their formidable power and torque, every internal component must meet the highest standards. The Sealed Power Main Bearing Set (0.030 Undersize) is specifically engineered for RB-Series engines where the crankshaft journals have been precisely machined to a 0.030-inch undersize. This kit is a cornerstone for any serious engine build or restoration, providing unparalleled support and lubrication for the crankshaft. It ensures that your Mopar RB-Series operates with maximum efficiency, reduced friction, and exceptional longevity, even under the most demanding conditions.

Uncompromising Quality for Mopar RB Performance

Sealed Power stands as a leader in engine component manufacturing, and these main bearings for the Mopar RB-Series are a testament to their engineering prowess. Constructed from premium bimetallic materials, they offer an optimal balance of strength, conformability, and embeddability. The precise dimensional accuracy is critical for maintaining proper oil clearances, which directly impacts oil pressure stability and prevents premature wear. These bearings are designed to handle the immense stresses of high-performance RB-Series applications, providing a reliable interface for the crankshaft's rotation.

  • Advanced Bimetallic Construction: Combines strength and resilience for superior performance and extended life.
  • Exceptional Load-Carrying Capacity: Built to withstand the high forces and pressures of powerful RB-Series engines.
  • Optimized for Oil Film: Ensures a consistent and protective oil layer, minimizing metal-to-metal contact.
  • Exact RB-Series Fitment: Specifically designed for Mopar RB-Series engines requiring a 0.030" undersize.

The Ultimate Choice for Mopar RB-Series Engine Builds

Investing in high-quality main bearings like this Sealed Power set is crucial for the success and durability of your Mopar RB-Series engine. It provides the essential support and precision needed to unlock and sustain the full potential of your big-block Mopar. Trust in Sealed Power for components that deliver on performance and reliability, ensuring your RB-Series engine performs flawlessly. Explore our full range of Mopar RB-Series parts at GGCRACING.

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