King Engine Bearings CR6907SX0.25 Rod Bearing Set 0.25mm Undersize pMaxBlack

The King Engine Bearings CR6907SX0.25 is a high-performance connecting rod bearing set finished to a 0.25mm undersize specification, designed for engines with reground or slightly worn crankshaft rod journals. Part of King's premium SX series, these bearings deliver exceptional durability and load capacity for both street and performance applications.

King's SX series bearings feature their proprietary pMaxBlack™ performance coating, a specialized polymer overlay engineered to improve embed-ability, reduce friction, and provide outstanding protection during cold starts and high-load operation. The coating also offers superior corrosion resistance compared to conventional tri-metal or bimetal bearings.

Key Features:

• pMaxBlack™ coating — advanced polymer overlay for reduced friction and enhanced wear resistance
• 0.25mm undersize — engineered for reground crankshaft rod journals, restoring proper oil clearance
• Precision tolerances — tight manufacturing tolerances ensure consistent oil film and optimal bearing performance
• High-strength steel backing — provides structural rigidity and positive housing bore contact
• Chamfered edges — accommodates crankshaft journal fillet radii for proper seating
• Bi-metal construction — aluminum alloy overlay bonded to a steel back for superior fatigue strength
• OE replacement and performance upgrade — suitable for stock rebuilds and performance engine builds

King Engine Bearings are manufactured to strict dimensional and metallurgical standards, making the CR6907SX0.25 an ideal choice for engine builders seeking a reliable, high-quality undersize rod bearing solution. Always verify oil clearances with a micrometer and plastigage during installation.