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Precision .025mm Oversized ACL Rod Bearings for Mazda B6/BP Engines

When your crankshaft has been machined to accommodate a .025mm undersize, you need bearings that match that precision exactly. The ACL Race Series .025mm Oversized Rod Bearing Set is designed for the legendary Mazda B6 and BP engine platforms, widely used in the Miata, 323, and Protege. These bearings provide the necessary clearance for machined crankshafts, ensuring optimal oil pressure and engine longevity.

Performance Benefits

• Machined-Match Precision: Specifically sized for .025mm undersized crankshaft journals to restore proper oil film thickness.
• High-Load Durability: Constructed with ACL’s signature tri-metal design, offering superior fatigue resistance for high-revving Mazda engines.
• Improved Oil Control: Precision-engineered oil grooves and tolerances help maintain consistent lubrication across the entire bearing surface.
• Versatile Compatibility: Perfect for B6 1.6L and BP 1.8L engines found in various Mazda and Kia models from the late 80s through the mid-2000s.

Whether you are building a track-ready Miata or restoring a classic 323, these oversized bearings are a critical component for any bottom-end rebuild. They provide the reliability needed to push your engine to its limits without the risk of oil starvation or bearing failure. Ensure your crankshaft is protected with the industry-leading quality of ACL. For all your engine building needs, explore the selection available at GGCRACING.