Eagle Chevy 427/454 3.766in Crank 6.135in H-Beam Rod Closed Chamber 4.280in Piston Rotating Assembly

This is the Eagle Chevy 427/454 3.766-inch crank, 6.135-inch H-beam rod, closed chamber 4.280-inch piston rotating assembly. It's built for serious performance applications, especially those involving racing, nitrous, or forced induction setups. This assembly forms the heart of your engine, handling the immense forces generated during combustion and translating them into rotational power. Getting this core component right is crucial for reliability and performance when you're pushing your engine hard.

Inside this assembly, you'll find a strong 3.766-inch forged 4340 steel crankshaft, designed to withstand high stress. The 6.135-inch H-beam connecting rods are paired with 7/16-inch ARP 8740 bolts, offering a robust connection between the crank and pistons. Forged 4032 aluminum pistons from Icon feature a 10.2cc closed chamber dome design, optimized for a 4.280-inch bore. The assembly also includes plasma-moly file-fit rings, which allow for precise gap setting to match your specific cylinder wall finish and operating conditions, and King XP rod and main bearings to ensure smooth rotation and proper oil clearance.

This rotating assembly is a well-built package for those looking to build a high-horsepower Chevy big-block. Please note that this part is not CARB approved and cannot be shipped to California. It also carries a Prop 65 warning.