Eagle Chevy Tall 454 1Pc 4.250in Crank 6.800in I-Beam Rods 43cc 4.350in Pistons Rotating Assembly

This is the Eagle Chevy Tall 454 1-piece rear main seal rotating assembly, designed for performance builds where strength and reliability are paramount. It bundles together the core components needed to rebuild or upgrade the heart of your big-block Chevrolet engine, specifically tailored for applications using a 4.250-inch stroke crankshaft and 4.350-inch bore pistons. This assembly is a solid choice for enthusiasts looking to maximize their engine's potential with well-built internals.

At the center of this assembly is a forged 4140 steel crankshaft with a 4.250-inch stroke, providing the foundation for increased displacement and torque. Paired with this are 6.800-inch I-beam connecting rods, forged from strong 4340 steel and secured with 7/16-inch ARP 8740 bolts, ensuring they can handle the stresses of high-RPM operation. The pistons are forged 2618 aluminum from Mahle, featuring a 43cc dome volume and a 4.350-inch bore, designed to work with specific compression ratios. This kit also includes plasma-moly file-fit piston rings, which allow for precise ring gap setting to match your engine's bore and intended use, and King XP series rod and main bearings, known for their robust construction and excellent lubrication properties.

When undertaking a performance engine build of this caliber, careful attention to balancing the rotating assembly is crucial for smooth operation and longevity. While this assembly provides the essential components, remember to consult with your machine shop regarding balancing procedures and any additional parts you might need, such as gaskets, seals, or a harmonic balancer, to complete your engine project. Please note this assembly is not CARB approved and cannot be shipped to California.