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ACL 4G63/4G64 7-Bolt 0.025mm Oversized Main Bearings

The 7-bolt 4G63 and 4G64 engines found in 2nd Gen DSMs and early Mitsubishi Evolutions require precise bearing fitment to maintain optimal performance. This ACL 0.025mm oversized main bearing set is engineered to provide the perfect fit for crankshafts that have been machined to accommodate slightly larger tolerances. These bearings offer the high-performance durability required for modern street and track builds.

Engineered for Excellence

• Precision Machining: Specifically sized for 0.025mm oversized applications, ensuring exact clearance.
• High-Performance Material: Advanced tri-metal construction for maximum load capacity and wear resistance.
• Improved Oil Flow: Optimized design to maintain consistent pressure across all seven main journals.
• Thermal Stability: Designed to handle the high heat cycles associated with turbocharged Mitsubishi engines.

When you are performing a rebuild on your 7-bolt engine, don't settle for anything less than the best. These bearings are designed to provide a secure, long-lasting fit that protects your crankshaft and ensures smooth operation at high RPMs. Whether you are driving a Mitsubishi Eclipse GSX or a Lancer Evolution, these bearings are built to handle the power. Ensure your engine build is completed with the highest quality components available. For all your automotive performance needs, trust the experts at GGCRACING.