ACL
ACL Mazda B6/BP 0.25mm Oversized Race Series Main Bearings — Fits 1986-2005 Mazda & Kia
ACL Mazda B6/BP 0.25mm Oversized Race Series Main Bearings — Fits 1986-2005 Mazda & Kia
ACL Mazda B6/BP 0.25mm Oversized Race Series Main Bearings — Fits 1986-2005 Mazda & Kia
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ACL Mazda B6/BP 0.25mm Oversized Race Series Main Bearings — Fits 1986-2005 Mazda & KiaACL Mazda B6/BP 0.25mm Oversized Race Series Main Bearings — Fits 1986-2005 Mazda & KiaACL Mazda B6/BP 0.25mm Oversized Race Series Main Bearings — Fits 1986-2005 Mazda & Kia
ACL

ACL Mazda B6/BP Oversized Race Series Main Bearings - Fits 1986-2005 Mazda & Kia

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SKU: ACL5M8353H-.25

About ACL ACL engineers high-quality automotive parts and accessories trusted ...Read more

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$107.99 $137.08
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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

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About ACL

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

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ACL 0.25mm Oversized Main Bearings for Mazda B6/BP

The Mazda B6 and BP engine platforms are legendary for their reliability and potential for tuning. When it comes time to rebuild your engine, the ACL 0.25mm Oversized Main Bearing Set is the professional choice for a ground crankshaft. These bearings are engineered to provide the tight tolerances and high load-bearing capacity required for both street and track performance.

Technical Specifications

  • Precision Engineering: Designed for 0.25mm oversized crankshaft journals to ensure perfect oil clearance.
  • Tri-Metal Design: Combines a steel backing with a high-strength overlay for maximum durability.
  • Universal Compatibility: Fits a wide range of B6 and BP engines, including those found in the Mazda Miata, Protege, and 323.
  • Reduced Wear: Engineered to minimize friction and prevent premature failure in high-output applications.

Whether you are building a naturally aspirated Miata for autocross or a turbocharged BP engine for track days, these bearings provide the structural foundation your engine needs. They are also compatible with various Kia Sephia and Mercury Capri models, making them a versatile choice for classic engine builds. Don't settle for less when it comes to your engine's heart. Get the performance and reliability you deserve at GGCRACING.

About ACL

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

Watch in action

ACL 0.25mm Oversized Main Bearings for Mazda B6/BP

The Mazda B6 and BP engine platforms are legendary for their reliability and potential for tuning. When it comes time to rebuild your engine, the ACL 0.25mm Oversized Main Bearing Set is the professional choice for a ground crankshaft. These bearings are engineered to provide the tight tolerances and high load-bearing capacity required for both street and track performance.

Technical Specifications

  • Precision Engineering: Designed for 0.25mm oversized crankshaft journals to ensure perfect oil clearance.
  • Tri-Metal Design: Combines a steel backing with a high-strength overlay for maximum durability.
  • Universal Compatibility: Fits a wide range of B6 and BP engines, including those found in the Mazda Miata, Protege, and 323.
  • Reduced Wear: Engineered to minimize friction and prevent premature failure in high-output applications.

Whether you are building a naturally aspirated Miata for autocross or a turbocharged BP engine for track days, these bearings provide the structural foundation your engine needs. They are also compatible with various Kia Sephia and Mercury Capri models, making them a versatile choice for classic engine builds. Don't settle for less when it comes to your engine's heart. Get the performance and reliability you deserve at GGCRACING.

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