Eagle B13051L03053 Small Block Chevy Balanced Rotating Assembly - 355ci

The Eagle B13051L03053 is a balanced street and strip rotating assembly designed for 1986 and newer small block Chevrolet engines with 1-piece rear main seals, delivering affordable performance and reliability for engines producing up to 500 horsepower. This assembly is factory-balanced by Eagle and requires no additional balancing before installation.

Complete Assembly Includes:

• Eagle cast steel crankshaft with 3.480" stroke
• Eagle SIR I-beam connecting rods (5.700" center-to-center)
• KB hypereutectic pistons with 4.030" bore (0.030" oversize)
• Hastings piston rings
• Clevite or King rod and main bearings
• 153-tooth automatic transmission flexplate

Key Specifications:

• Displacement: 355 cubic inches at 0.030" overbore
• Balance Configuration: Internal balance
• Rear Main Seal: 1-piece design
• Rod Length: 5.700 inches
• Stroke: 3.480 inches
• Bore: 4.030 inches

The factory internal balance damper and internal balance flexplate or flywheel can be reused, or new components can be purchased separately if a manual transmission flywheel or different damper is required. This kit is compatible with 1992-97 LT1 engines when reusing the factory hub and damper or an aftermarket equivalent.