Eagle Chevy LS1 3.900in Crank 58 Tth Reluctor 6.125in I-Beam Rods 3.913in Pistons Rotating Assembly

This Eagle Pro Street rotating assembly gives you the core components for a robust LS1 engine build. You get a 3.900-inch stroke crankshaft, a 58-tooth reluctor wheel for timing, 6.125-inch I-beam connecting rods, and 3.913-inch pistons. This assembly is designed for naturally-aspirated racing applications, providing a solid foundation for your performance engine.

Eagle is known for well-built engine components, and this rotating assembly is no exception. The I-beam connecting rods offer a strong balance of durability and weight for racing use, while the crankshaft is forged to handle the stresses of higher RPMs. The included pistons are sized to match the bore and stroke for a complete package. This assembly is a popular choice for builders looking to put together a serious naturally-aspirated LS1 engine for the track.

Keep in mind that this assembly is not CARB approved and cannot be shipped to California. It's always a good idea to consult with your engine builder or refer to Eagle's detailed specifications to ensure this assembly meets the specific requirements of your build, especially regarding piston ring gap and bearing clearances during assembly.