ACL Bearings 6B2473H-.025 High Performance Rod Bearing Set Oversize - 0.025

The ACL Bearings 6B2473H-.025 is a 17.8mm wide, 0.025" oversized high-performance connecting rod bearing set designed for Porsche 911 and 930 engines. This bearing set fits Porsche 911 (993) models from 1994-1997 with 3600cc and 3746cc H6 engines, as well as compatible 930 and 964 applications with 3299cc and 3600cc displacements.

Key Technical Specifications:

• Standard shaft size: 54.971-54.990mm, Standard tunnel size: 58.000-58.019mm
• Maximum wall thickness at crown: 1.50mm, Overall bearing width: 14.80mm
• 0.025" (0.635mm) oversize for reground crankshafts
• Tri-metal construction with hardened steel backing

ACL Race Series Performance Features:

• High strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs on all rod bearings to improve support and assist with bearing retention
• Increased crush for improved bearing retention and elimination of flash plating to improve heat transfer
• Increased eccentricity to compensate for bore distortion at high RPM and assist in hydrodynamic oil film formation
• Manufactured to exacting tolerances with high strength, excellent seizure resistance, and innovative design for superior bearing retention

ACL Race Series bearings are standard components in race engines that have set records and won championships from Mexico to Bonneville, from sport compact drift racing to NASCAR, IHRA and NHRA competitions. This complete bearing set provides the durability and performance required for high-RPM racing and high-performance street applications.