Eagle Chevy 400 3.750in Crank 6.000in I-Beam Rods -16cc 4.165in Pistons Rotating Assembly

If you're building a high-performance Chevy 400 engine for naturally-aspirated racing, this Eagle Pro Street rotating assembly is a solid foundation. It bundles together the critical rotating components you need to get your build underway, ensuring they're balanced and ready to perform. This assembly is designed to handle the demands of racing applications where consistent power delivery is key.

At the heart of this assembly is a forged 4340 steel crankshaft with a 3.750-inch stroke, providing the displacement base for your 400 small block. Paired with it are 6.000-inch long 4340 I-beam connecting rods, known for their strength and reliability in performance builds. These rods are secured with 7/16-inch ARP 8740 bolts, a name trusted for their high-tensile strength and consistent clamping force under extreme conditions. The pistons are forged 4032 aluminum with an inverted dome design, featuring a -16cc dish to achieve your desired compression ratio. They come complete with plasma-moly file-fit rings, allowing for precise gap setting to optimize sealing and performance. This assembly also includes King XP series rod and main bearings, offering excellent wear resistance and smooth operation for your engine's critical rotating parts.

This rotating assembly is a comprehensive package for serious engine builders. Remember that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and balancing procedures to ensure the longevity and performance of your new engine.