King Engine Bearings

King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort

King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
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King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford EscortKing Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford EscortKing Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford EscortKing Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford EscortKing Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford EscortKing Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort
King Engine Bearings

King Engine Bearings B6/B6-T/ZM/B3/B5 STDX Main Bearing Set — Fits 1986-1995 Mazda 323/Miata/Protege & Ford Escort

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SKU: KINGMB5304XPSTDX
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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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Product Details

Product Description
Part Numbers
Sizing & Fit

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.

King XP-Series Main Bearings for Mazda B-Series Engines

Unleash the full potential of your Mazda B6, B6-T, ZM, B3, or B5 engine with the King Engine Bearings MB5304XPSTDX Main Bearing Set. These STDX (Standard Extra Clearance) tri-metal pMax Black™ race bearings are engineered for high-performance applications, providing superior load capacity and extended durability under extreme conditions. Ideal for rebuilt or performance-tuned engines, they ensure optimal oil film thickness and reduced friction.

Key Features & Benefits:

  • Advanced Tri-Metal Construction: Offers exceptional strength and wear resistance.
  • pMax Black™ Coating: Enhances fatigue resistance and reduces friction.
  • STDX Size: Provides additional clearance for high-revving or boosted engines.
  • Precision Engineered: Manufactured to exact specifications for a perfect fit and reliable operation.
  • Wide Fitment: Compatible with various Mazda and Ford models from 1986-1995.

Ensure your engine's longevity and performance with King's race-proven bearing technology. Upgrade with confidence from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1991-1995 Ford Escort LX Sport
1991-1996 Ford Escort Base
1991-1996 Ford Escort GT
1991-1996 Ford Escort LX
1992-1993 Ford Escort LX-E
1996 Ford Escort Sport
2001-2005 Kia Rio Base
2002-2005 Kia Rio Cinco
1986-1989 Mazda 323 LX
1986-1994 Mazda 323 Base
1988 Mazda 323 GT
1988-1989 Mazda 323 GTX
1988-1993 Mazda 323 SE
1995 Mazda MX-3 Base
2004-2005 Mazda Miata Mazdaspeed
1990 Mazda Protege SE
1990-1991 Mazda Protege 4WD
1991-1998 Mazda Protege DX
1994 Mazda Protege Base
1995-1998 Mazda Protege ES
1991-1994 Mercury Capri Base
1991-1994 Mercury Capri XR2
1991-1996 Mercury Tracer Base
1991-1996 Mercury Tracer LTS
1991-1996 Mercury Tracer Trio

Product Details

Product Description
Part Numbers
Sizing & Fit

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.

King XP-Series Main Bearings for Mazda B-Series Engines

Unleash the full potential of your Mazda B6, B6-T, ZM, B3, or B5 engine with the King Engine Bearings MB5304XPSTDX Main Bearing Set. These STDX (Standard Extra Clearance) tri-metal pMax Black™ race bearings are engineered for high-performance applications, providing superior load capacity and extended durability under extreme conditions. Ideal for rebuilt or performance-tuned engines, they ensure optimal oil film thickness and reduced friction.

Key Features & Benefits:

  • Advanced Tri-Metal Construction: Offers exceptional strength and wear resistance.
  • pMax Black™ Coating: Enhances fatigue resistance and reduces friction.
  • STDX Size: Provides additional clearance for high-revving or boosted engines.
  • Precision Engineered: Manufactured to exact specifications for a perfect fit and reliable operation.
  • Wide Fitment: Compatible with various Mazda and Ford models from 1986-1995.

Ensure your engine's longevity and performance with King's race-proven bearing technology. Upgrade with confidence from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1991-1995 Ford Escort LX Sport
1991-1996 Ford Escort Base
1991-1996 Ford Escort GT
1991-1996 Ford Escort LX
1992-1993 Ford Escort LX-E
1996 Ford Escort Sport
2001-2005 Kia Rio Base
2002-2005 Kia Rio Cinco
1986-1989 Mazda 323 LX
1986-1994 Mazda 323 Base
1988 Mazda 323 GT
1988-1989 Mazda 323 GTX
1988-1993 Mazda 323 SE
1995 Mazda MX-3 Base
2004-2005 Mazda Miata Mazdaspeed
1990 Mazda Protege SE
1990-1991 Mazda Protege 4WD
1991-1998 Mazda Protege DX
1994 Mazda Protege Base
1995-1998 Mazda Protege ES
1991-1994 Mercury Capri Base
1991-1994 Mercury Capri XR2
1991-1996 Mercury Tracer Base
1991-1996 Mercury Tracer LTS
1991-1996 Mercury Tracer Trio

Product Details

Product Description

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.

King XP-Series Main Bearings for Mazda B-Series Engines

Unleash the full potential of your Mazda B6, B6-T, ZM, B3, or B5 engine with the King Engine Bearings MB5304XPSTDX Main Bearing Set. These STDX (Standard Extra Clearance) tri-metal pMax Black™ race bearings are engineered for high-performance applications, providing superior load capacity and extended durability under extreme conditions. Ideal for rebuilt or performance-tuned engines, they ensure optimal oil film thickness and reduced friction.

Key Features & Benefits:

  • Advanced Tri-Metal Construction: Offers exceptional strength and wear resistance.
  • pMax Black™ Coating: Enhances fatigue resistance and reduces friction.
  • STDX Size: Provides additional clearance for high-revving or boosted engines.
  • Precision Engineered: Manufactured to exact specifications for a perfect fit and reliable operation.
  • Wide Fitment: Compatible with various Mazda and Ford models from 1986-1995.

Ensure your engine's longevity and performance with King's race-proven bearing technology. Upgrade with confidence from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1991-1995 Ford Escort LX Sport
1991-1996 Ford Escort Base
1991-1996 Ford Escort GT
1991-1996 Ford Escort LX
1992-1993 Ford Escort LX-E
1996 Ford Escort Sport
2001-2005 Kia Rio Base
2002-2005 Kia Rio Cinco
1986-1989 Mazda 323 LX
1986-1994 Mazda 323 Base
1988 Mazda 323 GT
1988-1989 Mazda 323 GTX
1988-1993 Mazda 323 SE
1995 Mazda MX-3 Base
2004-2005 Mazda Miata Mazdaspeed
1990 Mazda Protege SE
1990-1991 Mazda Protege 4WD
1991-1998 Mazda Protege DX
1994 Mazda Protege Base
1995-1998 Mazda Protege ES
1991-1994 Mercury Capri Base
1991-1994 Mercury Capri XR2
1991-1996 Mercury Tracer Base
1991-1996 Mercury Tracer LTS
1991-1996 Mercury Tracer Trio

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