Eagle Chevy 350 3.750in Crank 5.700in I-Beam Rods -18cc 4.060in Pistons Balanced Assembly

If you're rebuilding the heart of your Chevy 350 for serious naturally-aspirated racing, this balanced rotating assembly from Eagle is a solid foundation. It's designed to handle the demands of performance builds where every component needs to work together seamlessly. This assembly includes all the critical rotating parts, balanced and ready for installation, saving you time and ensuring proper engine operation.

At the core of this assembly is a 3.750-inch forged 4140 crankshaft, built for strength and durability. Paired with it are 5.700-inch I-beam connecting rods made from 4340 steel, featuring robust 7/16-inch ARP 8740 bolts to ensure they stay securely fastened under high stress. The pistons are forged 4032 aluminum with an -18cc inverted dome design, sized at 4.060 inches, and come with plasma-moly file-fit rings. To complete the package, King XP rod and main bearings are included, offering reliable lubrication and reduced friction.

This assembly is balanced from the factory, which is a crucial step for high-performance engines to reduce vibration and ensure smooth operation at higher RPMs. Keep in mind that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and break-in procedures.