King Engine Bearings
King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
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King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM EnginesKing XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM EnginesKing XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM EnginesKing XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM EnginesKing XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM EnginesKing XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines
King Engine Bearings

King XP Race Main Bearing Set - Standard Size — Fits Mazda B3/B5/B6/B6-T/ZM Engines

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SKU: KINGMB5304XP

About King Engine Bearings King Engine Bearings engineers high-quality automotive ...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

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About King Engine Bearings

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

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King XP Race Main Bearing Set for Mazda B-Series Engines

Maximize the performance and durability of your Mazda B3, B5, B6, B6-T, or ZM engine with the King Performance XP Race Main Bearing Set. These standard-sized main bearings are engineered with King's advanced pMax Black™ tri-metal material, offering superior load-carrying capacity and fatigue resistance crucial for high-revving and turbocharged applications. Perfect for enthusiasts pushing their Mazda engines to the limit.

Unmatched Strength for Mazda Performance

  • Advanced Tri-Metal Construction: Features King's pMax Black™ technology for exceptional strength and reduced wear under extreme conditions.
  • Optimized for Performance: Designed to provide consistent oil film thickness and minimize friction, enhancing engine efficiency and power output.
  • High Fatigue Resistance: Built to endure the intense stresses of racing, track days, and aggressive street driving.
  • Direct Fit Standard Size: Ensures precise fitment for a wide range of Mazda models from 1986-2005, including 323, Miata, Protege, and even some Ford Escort and Mercury Tracer applications.

When building a high-performance Mazda engine, don't compromise on critical components. Choose King XP Race Main Bearings from GGCRACING for the ultimate in reliability and power delivery.

About King Engine Bearings

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

Watch in action

King XP Race Main Bearing Set for Mazda B-Series Engines

Maximize the performance and durability of your Mazda B3, B5, B6, B6-T, or ZM engine with the King Performance XP Race Main Bearing Set. These standard-sized main bearings are engineered with King's advanced pMax Black™ tri-metal material, offering superior load-carrying capacity and fatigue resistance crucial for high-revving and turbocharged applications. Perfect for enthusiasts pushing their Mazda engines to the limit.

Unmatched Strength for Mazda Performance

  • Advanced Tri-Metal Construction: Features King's pMax Black™ technology for exceptional strength and reduced wear under extreme conditions.
  • Optimized for Performance: Designed to provide consistent oil film thickness and minimize friction, enhancing engine efficiency and power output.
  • High Fatigue Resistance: Built to endure the intense stresses of racing, track days, and aggressive street driving.
  • Direct Fit Standard Size: Ensures precise fitment for a wide range of Mazda models from 1986-2005, including 323, Miata, Protege, and even some Ford Escort and Mercury Tracer applications.

When building a high-performance Mazda engine, don't compromise on critical components. Choose King XP Race Main Bearings from GGCRACING for the ultimate in reliability and power delivery.

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