ACL Bearings 8B663HC-STD Race Series Rod Bearing Set CT-1 Coated Chevy SBC LS

The ACL Bearings 8B663HC-STD is a high-performance tri-metal connecting rod bearing set engineered to withstand extreme RPM conditions and deliver exceptional durability under demanding racing applications. This Race Series bearing set combines ACL's proven tri-metal construction with Calico's CT-1 dry film lubricant coating, which helps reduce friction and abrasive wear.

Key Features:

• CT-1 coating provides intermittent dry lubrication, unaffected by dust or dirt, and engineered to withstand extreme high-performance engine conditions
• High-strength overlay plate with reduced thickness for improved fatigue properties
• Hardened steel backs improve bearing lining support and assist with bearing retention in the housing
• Maximum wall thickness of 0.0619 inches for precise clearance control
• Manufactured to exacting tolerances with particular attention to wall thickness accuracy for reliable fit and consistent clearances

ACL Race Series bearings are proven components in race engines that have set records and won championships across motorsports, from sport compact drift racing to NASCAR, IHRA, and NHRA competitions. The CT-1 coating provides critical protection against intermittent oil starvation during cold starts and harsh operating conditions.