Eagle Specialty Products B15402E040 Street/Strip Balanced Rotating Assembly Kit 357 CID Small Block Chevy

The Eagle Specialty Products B15402E040 is a complete balanced rotating assembly designed for street and strip applications on Small Block Chevrolet engines with 2-piece rear main seals. This internally balanced 357 cubic inch kit delivers reliable performance for pump gas, naturally aspirated street vehicles up to 500 horsepower.

Complete Assembly Includes:

• Cast steel crankshaft with 3.480-inch stroke and 2.100-inch rod journals
• 5.700-inch press-fit I-beam connecting rods made from 5140 alloy steel
• 3/8-inch ARP 8740 connecting rod bolts for superior clamping strength
• Keith Black hypereutectic claimer pistons with -7cc flat top design for 4.040-inch bore
• Plasma-moly piston rings with standard gap specification
• King SI-Series rod and main bearings

Performance Specifications:

• Displacement: 357 cubic inches
• Bore: 4.040 inches (0.040-inch overbore)
• Stroke: 3.480 inches
• Compression Ratio: Approximately 10.19:1 with 64cc cylinder heads (assuming zero deck clearance and 0.040-inch compressed head gasket thickness)
• Rated for use up to 500 horsepower
• Internally balanced design requires neutral flexplate and harmonic balancer (sold separately)

Eagle Specialty Products manufactures high-quality rotating assemblies using state-of-the-art equipment and rigorous quality control processes. Each component is thoroughly inspected to ensure it meets the demanding standards of professional engine builders. This complete kit arrives professionally balanced and ready for installation, providing exceptional value for weekend racers and performance enthusiasts.