Eagle 13552L060 Street & Strip Rotating Assembly - Chevy LT1 350 4.060" Bore 3.750" Stroke

The Eagle 13552L060 Street & Strip Rotating Assembly is engineered for pump gas, naturally aspirated street vehicles and performance builds producing under 500 horsepower. This complete rotating assembly is designed for Chevy LT1 and 350 small block engines with a 4.060" bore and 3.750" stroke configuration.

Complete Assembly Includes:

• 3.750" cast steel crankshaft with 1-piece rear main seal design
• 6.000" Eagle SIR I-beam connecting rods with 3/8" ARP 8740 bolts
• Forged 4032 aluminum Mahle pistons with -16cc inverted dome design, 4.060" bore
• Plasma-moly file-fit piston rings
• King SI rod and main bearings
• 168-tooth flexplate included

Key Features:

• Cast steel crankshaft provides excellent durability for street and strip applications
• High-strength I-beam connecting rods deliver reliable performance
• Premium ARP 8740 rod bolts ensure secure fastening under demanding conditions
• Forged pistons offer superior strength compared to hypereutectic designs
• Complete bearing set for hassle-free installation

Important Note: This is an unbalanced assembly and must be professionally balanced by a qualified machine shop before installation. For a pre-balanced version, see part number B13552L060 or B13552L06068.

Eagle Specialty Products manufactures high-quality engine components using certified steel, multi-stage heat treating, and rigorous quality control processes including sonic testing and magna-fluxing to ensure reliability and performance.