Clevite MS-909P-10 P-Series High Performance Main Bearing Set

The Clevite MS-909P-10 is a P-Series high performance main bearing set designed for demanding racing and high-RPM applications. This bearing set features full 360-degree grooving in the upper shells to maximize oil flow to connecting rod bearings, making it ideal for engines prone to rod bearing oil starvation.

P-Series Performance Features:

• Maximum eccentricity design for narrowed bearing contact patterns
• Full groove configuration for enhanced oil delivery to rod bearings
• High crush design ensures maximum bearing retention
• Reduced overlay thickness prevents overlay fatigue and hen tracking
• TriMetal bearing construction for superior strength and durability
• Non-flash plated for improved seating characteristics

Ideal Applications:

• Engines experiencing rod bearing oil starvation (indicated by polishing, smearing, or discoloration at bearing center)
• High-RPM competition engines requiring maximum oil flow
• Applications where narrower bearing contact patterns are desired
• Racing engines with extreme bearing loads

The P-Series represents Clevite's original high performance bearing line, engineered specifically for racing applications where maximum oiling and high bearing retention are critical. The 10-thousandths undersize specification allows for proper clearances on reground crankshafts.