King CR807XPN XP Series Connecting Rod Bearings for GM Gen III IV LS & SBC

The New XP Racing Series Unique metal structure and advanced geometric designfor superior load capacity King’s new XP racing series is designed with improvedmaterials and geometric features to meet the ongoing demand for higher bearing load capacity.  King Racing’s XP series of rod and main bearings was developed to meet the challenges of racing through technologically advanced geometric features and aunique metal structure. Together, they drive bearing technology to a new level of durability and performance. King’s XP series incorporates a strengthened tri-metal structure called pMax Black™. This unique metal composition was developed to meet the ongoing demand for increased engine bearing load capacity.• 24% greater load capacity• 17% more fatigue resistance• SecureBond™ – A micro-etch process that improves multi-layer adhesion and structural integrity• Compatible with all crankshafts Intermediate layer:• Copper-based alloy strengthened by 4.5% tin• Industry’s highest hardness leve