Eagle Chevy 400 350 Mains 3.750in Crank 6.000in I-Beam Rods -16cc 4.185in Pistons Rotating Assembly

Eagle has a solid reputation for making well-built performance engine components, and this Pro Street rotating assembly is a prime example of that. If you're building a naturally-aspirated racing engine for your Chevy 400, this assembly is designed to handle the demands of the track.

At its heart is a 3.750-inch forged 4340 crankshaft, featuring 350 main journal sizing for compatibility with many popular Chevy blocks. Paired with this are 6.000-inch I-beam connecting rods, also forged from 4340 steel and secured with 7/16-inch ARP 8740 bolts for dependable strength under high stress. The assembly includes forged 4032 DSS pistons with an inverted dome design, featuring a -16cc volume and a 4.185-inch bore size. To ensure a proper seal and performance, it comes with plasma-moly file-fit rings and King XP rod and main bearings.

This rotating assembly is a comprehensive package for serious engine builders. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and tuning procedures.