Elevate the power and durability of your engine with the GM Performance LS7 Forged Crankshaft. Precision-crafted to the exacting standards of General Motors, this crankshaft is designed for optimum performance and longevity. Its robust construction is ideal for enthusiasts looking to enhance their engine's capability without compromising on reliability. The part, identified by manufacturer part number 12611649, is a genuine performance part that complements the high-performance ethos of your vehicle. It's a direct-fit solution that ensures a seamless integration with your engine, delivering the strength and efficiency you expect from a renowned brand like GM.