King Engine Bearings MB1336XPSTD-1 XP-Series Performance Main Bearing - Set

The King Engine Bearings MB1336XPSTD-1 is a high-performance main bearing set from King's renowned XP-Series line, engineered to deliver extreme performance under the most demanding racing conditions. This standard size bearing set features King's advanced tri-metal construction designed for applications using forged steel aftermarket crankshafts and high-load racing environments.

XP-Series Technology:

• pMax Black™ tri-metal construction with layered copper lead core, nickel plate barrier, and lead/tin/copper Babbitt overlay on steel backing for superior stability and durability
• 24% harder than conventional tri-metal race bearings for extreme load capacity
• Bull's Eye tolerance control maintains wall thickness within an amazing ±0.0001 inch across all shells
• Narrowed design accommodates large-radius crankshafts
• Enlarged, chamfered oil holes with precision grooving for improved oil flow and distribution
• Medium eccentricity geometry for optimum load distribution

Applications:

The XP-Series is developed specifically for high-performance and racing applications that produce extreme loads for extended periods, including circle track racing, road racing, and other endurance competition. These bearings are designed for use with forged steel crankshafts in demanding performance builds where conventional bearings cannot withstand the stress.

King Engine Bearings has specialized exclusively in engine bearing manufacturing since 1960, bringing decades of racing-proven technology to every bearing set they produce.