OVERVIEW

The Clevite CB663A30 connecting rod bearing set is engineered for high-performance and remanufactured engines requiring a 0.030" (0.75mm) undersize bearing. Designed to suit crankshafts that have been machined or ground 0.030" under standard journal diameter, these bearings restore proper oil clearances and deliver reliable durability under demanding conditions.

Manufactured using Clevite’s proven AL Series material, this bearing set provides excellent fatigue resistance, superior embedability, and consistent performance across a wide range of operating conditions. Ideal for rebuilds, performance upgrades, or any application where maintaining precise engine geometry is critical

FEATURES

• Genuine Clevite AL Series rod bearing set

• 0.030" undersize – for crank journals machined 0.030" under

• Restores correct oil clearance and pressure

• High-strength construction for durability and long service life

• Excellent fatigue resistance and wear characteristics

• Suitable for performance, rebuild, and OEM-replacement applications

• Sold as a full set of 8 (for V8 engines)

ENGINE COMPATIBILITY

• L76 (6.0 Litre AFM) 6L V8
• L77 (6.0 Litre AFM) 6L V8
• L98 (6.0 Litre) 6L V8
• LS1 5.7 Litre 5.7L V8
  
• LS2 6.0 Litre 6L V8
• LS3 6.2 Litre 6.2L V8