SKU: CALAPH-31Q-CS
MPN: APH-31Q-CS
The CALLIES GM LSx CS 4340 Forged Crank with 3.625 Stroke is a premium forged steel crankshaft designed specifically for high-performance GM LS-series engine builds. This crankshaft is engineered to meet the rigorous demands of performance applications, making it a suitable choice for builders focused on reliability and strength.
Constructed from 4340 forged steel, this crankshaft features an internal balance design that simplifies weight distribution and eliminates the need for external balancing. The 3.625-inch stroke is a popular choice for mid-range displacement options, allowing for engine packages that can range from approximately 408 to 427 cubic inches depending on bore size. The 58X reluctor ring is compatible with most LS engine control modules, ensuring straightforward integration with factory and aftermarket ECUs.
Ideal for serious LS engine builders, this crankshaft excels in applications where forged strength and proven reliability are essential. While it is suitable for street performance and naturally aspirated builds, users should consider specific performance goals and vehicle applications to ensure optimal compatibility and performance.
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.
