SKU: MAN190310
MPN: 190310
The Manley SBC 4340 Forged Crank with 3.480 stroke and 350 mains is designed for builders seeking maximum durability and performance in small-block Chevrolet engine builds. This crankshaft is ideal for serious enthusiasts and professional engine builders who require reliability under extreme stress.
Constructed from 4340 forged steel, this crankshaft delivers superior fatigue resistance compared to cast alternatives, making it suitable for high-RPM operation and forced induction applications. The 3.480-inch stroke and 350 main journal diameter (2.449 inches) provide a robust foundation for bottom-end durability, ensuring compatibility with existing 350-based block architecture.
This crankshaft is perfect for small-block Chevy engines, particularly in high-performance, racing, or forced induction applications. Each unit undergoes precision machining and dynamic balancing to OEM tolerances, ensuring smooth operation and minimal vibration, making it an essential investment for serious engine development.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
