Description
The Manley Performance Chevrolet LT1 Directed Injected 4340 Forged Crankshaft is engineered for high-performance engine builds and demanding automotive applications. Crafted from high-quality 4340 alloy steel, this crankshaft offers exceptional durability and strength, making it suitable for both street and racing environments. The lightweight design achieved through non-twist forging, gun-drilled mains, and lightened rod journals reduces rotational mass, improving engine acceleration and responsiveness. Fully profiled counterweights ensure precise balance for smooth operation, minimizing vibrations and enhancing longevity. The multi-step heat treatment process combined with nitriding significantly increases the crankshaft’s resistance to fatigue and wear, ensuring consistent performance over time. Micro-polished large radius journals reduce friction, promoting efficient power transfer and reducing internal engine stresses. Each unit undergoes rigorous quality assurance measures, including stress relief, shot peening, and 100% magnafluxing, to meet strict industry standards and provide dependable performance. Ideal for performance enthusiasts seeking a durable, lightweight crankshaft with optimized balancing and strength, the Manley Pro Series crankshaft is a versatile choice for a wide range of domestic engine applications, especially for Chevrolet LT1 engines. This crankshaft is designed to seamlessly integrate into high-performance builds, offering reliability and enhanced power output for demanding automotive projects.
Features:
- Lightweight design with non-twist forging and gun-drilled mains for optimized performance
- Enhanced strength from multi-step heat treatment and nitriding process
- Micro-polished large radius journals to reduce friction and improve efficiency
- Fully profiled counterweights for precise balance and stability
- Rigorous quality assurance including stress relief, shot peening, and magnafluxing
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