Eagle B13055L03068 Small Block Chevy Street Performance Balanced Rotating Assembly - 355

The Eagle B13055L03068 is a complete balanced rotating assembly designed for Small Block Chevrolet 350 engines, creating 355 cubic inches of displacement with a .030" overbore. This Street Performance assembly is engineered for reliability in street and mild performance applications producing up to 500 horsepower.

Complete Assembly Includes:

• Cast steel crankshaft with 3.480" stroke
• Eagle SIR forged 5140 steel I-beam connecting rods (5.700" length)
• 3/8" ARP 8740 connecting rod bolts
• Hypereutectic aluminum pistons (4.030" bore)
• Plasma-moly piston rings
• King SI rod and main bearings

Key Features:

• Factory balanced by Eagle - ready to install with no additional balancing required
• Designed for 1-piece rear main seal applications
• Internal front/external rear balance configuration
• Includes 153-tooth Pioneer flexplate
• Harmonic balancer not included

This assembly offers excellent value for engine builders seeking quality components with proven reliability. The cast crankshaft features proper counterweighting and radiused fillets for durability, while the forged I-beam rods provide strength for demanding street use. Eagle's smooth surface finishes promote better oil flow and reduced wear compared to competitor products.