GM LS 4340 Forged Crank 4.000 Stroke/6.125 Rod

The GM LS 4340 Forged Crankshaft with a 4.000 Stroke and 6.125 Rod is a high-performance component designed for automotive enthusiasts and mechanics looking to enhance their GM LS-Series engines. This forged steel crankshaft is engineered to provide superior strength and durability, making it an essential upgrade for anyone aiming to push their vehicle's performance to the next level. Whether you’re building a track-ready race car or a powerful street machine, this crankshaft is indispensable for achieving your power goals.

Crafted from high-quality 4340 forged steel, this crankshaft ensures exceptional resistance to fatigue and wear. Its 4.000-inch stroke and internal balance design optimize engine efficiency and power delivery. The one-piece seal construction prevents oil leaks, which is crucial for maintaining optimal engine performance. With dimensions of 9 x 8.75 x 32.25 inches and a weight of 60 lbs, it fits seamlessly into various LS configurations, ensuring a straightforward installation for experienced mechanics.

This crankshaft is ideal for serious builders and tuners who demand reliability and performance. It is compatible with a range of GM LS-Series applications, making it a versatile choice for those looking to modify or upgrade their engines. By incorporating the GM LS 4340 Forged Crankshaft into your build, you ensure a robust foundation that can handle increased horsepower and torque, thereby enhancing your vehicle's overall performance.