6B8100HX-STD ACL Performance Race Series Rod Bearing Set STD Supra IS300, 2JZ, 1JZ 6B8100HX-STD

ACL Race Series High-Performance Rod Bearings

Engineered for the rigors of high-RPM competition, the ACL Race Series rod bearing sets provide the durability and precision required by professional engine builders. These tri-metal bearings utilize a specialized, thin-overlay design that significantly enhances fatigue resistance under extreme stress.

Key Technical Advantages

• Enhanced Heat Dissipation: By removing the traditional flash plating from the bearing back, these units achieve superior contact with the housing, maximizing thermal transfer and grip.

• Structural Integrity: Built with hardened steel backings to maintain the bearing’s shape and ensure it remains securely seated within the housing during intense operation.

• Optimized Oil Film: Features increased eccentricity to counteract potential bore distortion at high speeds, supporting the development of a consistent, protective hydrodynamic oil film.

• Precision Clearances: Manufactured to incredibly tight wall tolerances, allowing builders to achieve and maintain exact oil clearances across all journals.

• Advanced Geometry: Includes 3/4 grooved main bearings to balance load-bearing capacity with efficient oil delivery to the connecting rods.

• Crankshaft Compatibility: Designed with enlarged inner diameter (ID) chamfers to accommodate the larger fillet radii often found on aftermarket performance crankshafts.

Product Specifications