Eagle Pontiac 400 4.250in Crank 6.800in H-Beam -6cc Flat Top 4.185in Pistons Rotating Assembly

If you're building a high-performance Pontiac 400 engine for serious racing, this Eagle competition rotating assembly is a solid foundation. It's designed to handle the stresses of competition use, including applications with nitrous or forced induction, giving you the confidence to push your engine hard.

This assembly starts with a 4.250-inch forged 4340 crankshaft, known for its strength and durability under extreme loads. Paired with it are 6.800-inch H-beam connecting rods, which are a popular choice for their robust design. These rods are secured with 7/16-inch ARP 8740 bolts, a name trusted for their reliability in high-stress situations. The pistons are forged 4032 aluminum from Mahle, featuring a -6cc flat top design and a 4.185-inch bore size, ready for your specific build. They come complete with plasma-moly file-fit rings, allowing for precise gap setting to optimize performance and sealing. To ensure smooth operation and longevity, the assembly includes King XP rod and main bearings, which offer improved wear resistance and oil clearance.

This rotating assembly is a comprehensive package for anyone serious about building a powerful Pontiac engine. Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to manufacturer instructions for proper installation and break-in procedures.