Eagle Pontiac 400 4.250in Crank 6.800in I-Beam Rods -22cc 4.155in Pistons Rotating Assembly

Eagle is known for making well-built engine components, and this Pro Street rotating assembly is a prime example for your Pontiac 400 build. If you're putting together a naturally-aspirated racing engine, this assembly is designed to handle the demands of that kind of performance. It's a complete package that gives you the core rotating parts you need to get your engine rebuilt and ready for the track.

This assembly starts with a 4.250-inch forged 4340 steel crankshaft, which is a strong foundation for any performance engine. Paired with that are 6.800-inch 4340 I-beam connecting rods, known for their solid construction. These rods come with 7/16-inch ARP 8740 bolts, a name you can trust for reliable clamping force under high stress. The pistons are forged 4032 aluminum from Mahle, featuring an inverted dome design with a -22cc volume and a 4.155-inch bore size. They also include plasma-moly file-fit rings, which allow for precise gapping to match your specific engine build. To top it off, the assembly includes King XP rod and main bearings, offering excellent wear resistance and performance for demanding applications.

This rotating assembly is a comprehensive solution for serious Pontiac 400 engine builds aiming for naturally-aspirated racing performance. Please note that this part is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and break-in procedures.