Manley Turbo Tuff® Billet Crankshafts deliver uncompromising strength, precision, and reliability for high-horsepower and high-boosted applications. Machined from premium 4340 Turbo Tuff® billet material, each crank features gun-drilled pins and fully knife-edged counterweights for reduced weight and superior balance. A multi-step heat treatment and nitriding process maximize durability, while stress relief, shot peening, and 100% magnaflux inspection ensure flawless quality.

• Lightweight Design, 4340 Billet Material: Manufactured from 4340 Turbo-Tuff Billet material, ensuring durability and performance. Counterweights are fully knife edged to ensure precise balance and stability.
• Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.
• Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.