Description
The Eagle forged 4340 steel crankshaft part number 2034655900A6 is engineered for high-performance and durability in demanding automotive applications. Featuring a non-twist forging process, it provides superior strength and reliability, essential for high-stress engine environments. The crankshaft includes .125-inch fillet radiuses, which enhance fatigue resistance and overall durability, although they require chamfered or narrowed bearings for proper installation. Its nitrided surface treatment offers increased hardness and wear resistance, while the micropolished finish ensures smooth operation and minimized friction within the engine assembly. This crankshaft is specifically designed for Mitsubishi 4G63 engines with a 88mm stroke and a six-bolt rear flange, making it an ideal upgrade for performance builds or engine rebuilds. Please note, the crankshaft must be properly balanced to match your specific connecting rods and pistons for optimal performance and longevity. The Eagle 4G63 crankshaft is compatible with various Mitsubishi Eclipse and Eagle Talon models from 1990 to 1992, as well as the 1990 Plymouth Laser, providing a reliable component for enthusiasts seeking to enhance their vehicle’s power and durability. The part complies with Prop 65 standards, ensuring safety and quality in automotive manufacturing. Whether you’re restoring a classic or building a high-performance engine, this crankshaft offers the strength and precision needed for demanding driving conditions.
Features:
- Material: Forged 4340 steel for high strength and durability
- Non-twist forging process enhances structural integrity
- .125-inch fillet radiuses improve fatigue resistance
- Nitrided surface provides increased hardness and wear resistance
- Micropolished finish ensures smooth operation and reduced friction
- Designed for Mitsubishi 4G63 engines with 88mm stroke
- Compatible with 6-bolt rear flange applications
- Requires proper balancing to match engine components
Fitment:
Eagle Talon TSi 1990
Eagle Talon TSi 1991
Eagle Talon TSi 1992
Mitsubishi Eclipse GS 1990
Mitsubishi Eclipse GS 1991
Mitsubishi Eclipse GS 1992
Mitsubishi Eclipse GSX 1990
Mitsubishi Eclipse GSX 1991
Mitsubishi Eclipse GSX 1992
Plymouth Laser RS 1990
Plymouth Laser RS 1991
Plymouth Laser RS 1992















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