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High-Performance ACL Race Series Main Bearings

Engineered for the rigorous demands of high-output 4G63 and 4G64 7-bolt engines, these ACL Race Series main bearings provide the reliability required for performance builds. Whether you are refreshing a DSM or building a Lancer Evolution, these bearings offer superior load-carrying capacity and fatigue resistance.

Key Technical Features

• Tri-metal construction for enhanced durability
• Precision-machined for consistent oil clearances
• Ideal for street-strip and track-day applications
• Compatible with 7-bolt 4G63/4G64 engine blocks
• Standard size for factory-spec crankshaft journals

These bearings are designed to handle the increased stress of modified engines, providing a stable foundation for your rotating assembly. The unique combination of materials ensures that your engine maintains optimal oil pressure even under high RPM and heavy load conditions. By choosing ACL, you are investing in industry-leading engineering that minimizes friction and maximizes longevity. Ensure your engine build is ready for the track with these premium components. For expert advice on your next engine overhaul, visit GGCRACING.