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King XP Series Main Bearings for Mazdaspeed 3 (STDX)

For discerning builders and high-performance enthusiasts, the King XP Series High Performance Main Bearing Set (Part No. KINGMB5442XPSTDX) offers a unique STDX size for your 2007-2009 Mazdaspeed 3 L3-VDT MZR DISI (t) Duratec engine. This specialized size provides slightly extra clearance, often preferred in racing applications where higher oil flow and reduced friction are critical for sustained high RPM operation. These bearings feature King's advanced pMax Black™ tri-metal construction, delivering unparalleled strength and fatigue resistance.

Optimized Clearance for Extreme Performance

The STDX specification is designed to give an edge in extreme conditions, ensuring that your engine's crankshaft receives optimal lubrication and operates smoothly under immense pressure. King XP Series bearings are engineered to minimize wear and maximize the lifespan of your engine's rotating assembly, making them an essential upgrade for any serious Mazdaspeed 3 build. Experience the confidence that comes with superior engine protection and performance.

• Advanced pMax Black™ tri-metal technology
• STDX size for optimized oil clearance in performance builds
• Exceptional fatigue resistance for high-stress engines
• Direct fit for 2007-2009 Mazdaspeed 3 L3-VDT MZR DISI (t) Duratec
• Ideal for racing and high-horsepower applications

Elevate your engine's performance and reliability with King XP Series STDX main bearings, available at GGCRACING.