MAIN BEARINGS

Upgrade your engine's performance with King Engine Bearings' premium main bearings, designed for a wide range of GM vehicles. The MB557XPSTDX set is engineered to provide superior durability and efficiency, making it an essential choice for enthusiasts and professionals alike.

• Enhanced Clearance: Designed with 0.001 inches more clearance than stock, ensuring optimal oil flow and reducing wear.
• Performance Focused: Part of the XP-Series, these bearings are built specifically for performance applications, enhancing reliability under stress.
• Quality Material: Constructed from tri-metal copper-lead-nickel, offering excellent strength and resistance to fatigue.
• Grooved Design: Features a 1/2 groove style for improved lubrication and heat dissipation.

Sold as a set of 5, the King Engine Bearings MB557XPSTDX is your go-to solution for reliable engine performance.