Eagle Chevy 454 1P 4.000in Crank 6.135in I-Beam Rods 25.5cc Dome 4.310in Pistons Balanced Assembly

Starting with a 4.000-inch stroke forged steel crankshaft, this balanced rotating assembly from Eagle is built for serious performance in your Chevy 454 engine. The 6.135-inch long I-beam connecting rods are forged from strong steel, designed to handle the stresses of higher RPM and increased power output. These rods are paired with 4.310-inch bore pistons that feature a 25.5cc dome volume, which is a key factor in determining your final compression ratio when combined with your cylinder heads and block deck height.

This assembly comes balanced from Eagle, meaning the crankshaft, connecting rods, pistons, wrist pins, and rings are precisely weighted and matched to minimize vibration and ensure smooth operation. This balancing is crucial for engine longevity and performance, especially when you're pushing your engine beyond stock capabilities. The forged steel construction of both the crank and rods offers a significant strength advantage over cast components, making this a solid choice for builds aiming for more horsepower and torque.

When installing this rotating assembly, it's important to ensure all clearances are checked and set according to manufacturer specifications, particularly bearing clearances and piston-to-valve and piston-to-head clearances. This assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions for proper assembly and break-in procedures.