Manley Performance Pro Series 4340 Alloy Steel Crankshaft for Ford 4.6L - 3.543 Inch Stroke

Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.

• Lightweight Design, 4340 Material: Manufactured from forged 4340 material and featuring lightened rod journals for optimized engine performance. Counterweights are fully profiled 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.
• Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.

The Manley Performance Pro Series 4340 alloy steel crankshaft is designed for high-performance Ford 4.6L engine applications, offering exceptional strength and durability. Crafted from forged 4340 alloy steel, this crankshaft features a lightweight design with lightened rod journals that optimize engine response and efficiency. Fully profiled counterweights ensure precise balance and stability during high RPM operation, contributing to smoother engine performance and longevity. Suitable for both street and racing applications, this crankshaft is engineered to withstand rigorous conditions and deliver consistent power output.

Each Manley Pro Series crankshaft undergoes rigorous quality assurance processes, including stress relief, shot peening, and 100% magnaflux testing, ensuring the highest standards of durability and safety. The multi-step heat treatment process coupled with nitriding enhances the crankshaft’s strength and wear resistance, providing extended service life even under demanding conditions. Micro-polished large radius journals reduce friction, resulting in improved engine efficiency and reduced wear on vital components. This crankshaft is an ideal upgrade for enthusiasts seeking reliable performance enhancements without sacrificing durability or quality.

Designed to meet the needs of serious automotive enthusiasts and professional builders, the Manley Performance 4340 alloy steel crankshaft offers a perfect balance of weight reduction, strength, and precision engineering. Its compatibility with Ford's 4.6L engine makes it a versatile choice for performance upgrades, whether for daily driving, weekend racing, or professional motorsport. With its proven design and manufacturing quality, this crankshaft ensures your engine maintains peak performance and reliability across a wide range of applications.

Features:

• Lightweight design with forged 4340 alloy steel for optimized engine response

• Lightened rod journals for improved performance and reduced inertia

• Fully profiled counterweights for precise balance and stability

• Rigorous quality assurance including stress relief, shot peening, and magnaflux testing

• Multi-step heat treatment and nitriding for enhanced strength and wear resistance

• Micro-polished large radius journals to reduce friction and improve efficiency

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1