Eagle Chevy Tall Deck 454 4.250in Crank 6.800in H-Beam 18cc Dome 4.280in Pistons Rotating Assembly

This Eagle Competition Rotating Assembly is built for serious performance in your Chevy Tall Deck 454 engine. What you get in this kit is a complete package designed to handle the demands of racing, including applications using nitrous or forced induction. It includes a forged 4340 crankshaft with a 4.250-inch stroke, 6.800-inch H-beam connecting rods secured with 7/16-inch ARP 8740 bolts, and forged 4032 Mahle pistons featuring an 18cc dome and a 4.280-inch bore. The assembly also comes with plasma-moly file-fit piston rings and King XP rod and main bearings, ensuring robust internal engine components ready for high-stress operation.

The forged 4340 steel crankshaft is a strong foundation, offering excellent durability for high-RPM use. Paired with the 6.800-inch H-beam rods, which are known for their strength and rigidity, this assembly is well-suited for engines that will be pushed hard. The Mahle pistons are forged from 4032 aluminum, a material chosen for its thermal expansion properties, making them a solid choice for high-performance builds. The 18cc dome shape is designed to work with specific compression ratios, and the included file-fit plasma-moly rings allow for precise gap setting to optimize sealing and performance. King XP bearings are included to ensure smooth operation and proper lubrication for the crankshaft and connecting rods.

This rotating assembly is a comprehensive solution for anyone rebuilding or upgrading a Chevy Tall Deck 454 engine for racing applications. It’s important to note that this assembly is not CARB approved and cannot be shipped to California. Ensure you consult with your engine builder or refer to manufacturer specifications for proper installation and tuning to achieve the best results from this high-performance component.