Eagle Chevy 4.8/5.3 LS 3.900in Crank 58 Tth Rlctor 6.125in I-Beam 3.898in Pistons Rotating Assembly

This Eagle Pro Street rotating assembly is built for Chevy 4.8L and 5.3L LS engines, specifically for naturally aspirated racing applications. It includes a 3.900-inch crankshaft, 6.125-inch I-beam connecting rods, and pistons sized for a 3.898-inch bore. This assembly is a solid foundation for building a performance LS engine that prioritizes power without forced induction.

The Pro Street line from Eagle is designed to handle the demands of racing where consistent power delivery is key. The 3.900-inch stroke crankshaft is a common choice for LS builds, offering a good balance between displacement and engine speed potential. Paired with the 6.125-inch I-beam connecting rods, this setup is well-suited for naturally aspirated engines that will see track time or spirited driving. The included pistons are sized to match the crankshaft and bore, ensuring a proper fit and compression ratio for your build. Remember, this assembly is not CARB approved and cannot be shipped to California.

When assembling an engine with a performance rotating assembly like this, attention to detail during balancing and clearancing is crucial. It's recommended to consult with your engine builder or refer to detailed LS engine assembly guides to ensure all components are installed correctly for optimal performance and longevity. This assembly is a significant step towards a high-performance naturally aspirated LS engine.