King Engine Bearings MB5009XP Tri-Metal Main Bearing Set

The King Engine Bearings MB5009XP is a high-performance main bearing set engineered for demanding race applications. Designed for Ford Fiesta 1.25L and Zetec/EcoBoost 1.6L engines, this bearing set features King's advanced pMaxBlack™ tri-metal construction for maximum durability under extreme conditions.

Key Features:

• pMaxBlack™ tri-metal overlay with proprietary non-scaled hardening process
• Superior load capacity compared to standard bi-metal bearings
• Optimized for high-performance and racing applications
• Precision-engineered for Ford Fiesta 1.25L and Zetec/EcoBoost 1.6L engines
• Enhanced fatigue resistance and conformability

King's unique tri-metal structure provides an ideal balance of strength, embeddability, and wear resistance. The pMaxBlack™ overlay utilizes a specialized hardening process that delivers exceptional load-bearing capability while maintaining the conformability needed for proper break-in and long-term reliability in high-stress racing environments.