Clevite CB778AL25 AL-Series Connecting Rod Bearing Set 0.25mm Undersize

The Clevite CB778AL25 is an AL-Series connecting rod bearing set designed for precision engine rebuilds requiring 0.25mm undersize specifications. This bi-metal bearing features Clevite's advanced aluminum silicon construction, engineered to meet or exceed OE replacement standards for durability and performance.

Key Features:

• 100% lead-free aluminum silicon bi-metal construction with 60% more silicon content than competitive alternatives
• 100% bored inside diameters for superior precision and surface characteristics
• Enhanced seizure resistance and wear protection for extended service life
• Better conditioning of crankshaft journal surfaces reduces friction and heat
• 0.25mm undersize specification for crankshafts machined to accommodate bearing clearance adjustments
• Engineered to OE specifications for direct replacement applications

Clevite AL-Series bearings are designed for modern engines where manufacturers have shifted to aluminum bearing technology. These bearings deliver the precision fitment and reliability that engine builders and technicians demand for professional rebuilds. The bi-metal design combines a steel backing for structural strength with an aluminum silicon bearing surface optimized for superior load capacity and thermal management.