Manley Performance Forged Crankshaft 4340 Turbo-Tuff Billet Lightweight

Manley Performance Forged Crankshaft — 4340 Turbo-Tuff Billet Lightweight Optimize power and reliability with the Manley Performance 4340 Turbo-Tuff Billet lightweight forged crankshaft. Engineered for high-performance builds, this crankshaft combines advanced materials and precision manufacturing to deliver durability, reduced rotating mass, and consistent balancing for demanding applications. Key Features Material options: Available in 4340 non-twist forged or 4340 Turbo-Tuff billet for exceptional fatigue resistance. Lightweight design: Gun-drilled mains and lightened rod journals reduce rotating mass for quicker throttle response and improved acceleration. Precision balance: Fully profiled counterweights ensure accurate dynamic balance and stable operation at high RPM. Enhanced strength: Multi-step heat treatment and nitriding deliver superior surface hardness and long-term durability. Low friction journals: Large-radius journals are micro-polished to minimize friction and wear for smoother performance. Rigorous QA: Each crankshaft receives stress relief, shot peening, and 100% magnaflux inspection to meet strict quality standards. Whether building a high-boost turbo motor or a stroked racing engine, the Manley 4340 Turbo-Tuff Billet crankshaft provides the strength, balance, and lightweight characteristics needed to maximize horsepower and reliability.