Eagle Chevy LS2/LS3 3.900in Crank 58 Tth Rlctr 6.125in I-Beam Rods 4.040in Pistons Rotating Assembly

This is the Eagle Chevy LS2/LS3 3.900-inch crankshaft, 6.125-inch I-beam connecting rods, and 4.040-inch piston rotating assembly. It's a well-built package designed specifically for LS2 and LS3 engines, intended for naturally-aspirated racing applications where consistent performance is key. If you're building a performance engine for the track or a serious street machine that prioritizes power without forced induction, this assembly is a solid foundation.

Eagle has put together a robust rotating assembly here. The Pro Street designation means it's built to handle the demands of racing, offering a strong combination of components. The 3.900-inch stroke crankshaft, paired with the 6.125-inch I-beam connecting rods and 4.040-inch pistons, creates a specific displacement and compression ratio that's optimized for naturally aspirated power. This isn't a generic kit; it's a carefully matched set of parts that work together to maximize performance in its intended application. You're getting a complete rotating assembly, which means the critical balance and fitment between these core engine components have been addressed by Eagle.

When undertaking an engine build of this caliber, it's important to ensure all supporting components are up to the task. This assembly is designed for performance use, so consider your camshaft selection, cylinder heads, and tuning to fully realize its potential. Remember that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer specifications for detailed installation procedures and recommended clearances.