Eagle B13555L03053 Small Block Chevy Street Performance Rotating Assembly - 355

The Eagle B13555L03053 is a complete balanced rotating assembly designed for small block Chevrolet 355 cubic inch engines with 1-piece rear main seals. This street performance kit offers great value, performance, and reliability for engines producing under 500 horsepower, including quality components such as an Eagle cast steel crankshaft, Eagle SIR I-Beam rods, hypereutectic aluminum pistons, Hastings rings, and bearings.

Key Features:

• Cast steel crankshaft with 3.480-inch stroke for 355 ci displacement at .030 overbore
• Eagle SIR forged 5140 steel I-Beam connecting rods with 5.700-inch center-to-center length
• 3/8-inch ARP 8740 connecting rod bolts for superior strength
• Hypereutectic aluminum pistons with standard gap plasma-moly rings
• King SI rod and main bearings for reliable lubrication
• 4.030-inch bore specification
• Pre-balanced assembly—ready to install with no additional balancing required

The "B" prefix in the part number indicates this assembly is balanced by Eagle and requires no additional balancing. This Internal Front/External Rear balanced assembly includes a 153-tooth Pioneer flexplate. Ideal for street performance builds, daily drivers, and weekend cruisers seeking dependable power up to 500 horsepower.