Eagle B13205L04053 Street Performance Rotating Assembly - Small Block Chevy 1pc Seal

The Eagle B13205L04053 is a balanced street performance rotating assembly designed for small block Chevrolet engines with 1-piece rear main seals (1986 and newer). This complete assembly is engineered for reliable performance in street applications producing up to 500 horsepower.

Complete Assembly Includes:

• Eagle cast steel crankshaft with precision-ground journals
• Eagle SIR forged 5140 steel I-beam connecting rods with 3/8" ARP 8740 bolts
• Hypereutectic aluminum pistons with premium ring set
• Rod and main bearings
• Factory balanced - ready to install with no additional balancing required

Key Features:

• Part number begins with "B" indicating factory-balanced assembly
• Cast steel crankshaft provides excellent strength and durability
• Shot-peened connecting rods for enhanced fatigue resistance
• Test-fitted components ensure proper clearances
• Designed for 1-piece rear main seal small block Chevy applications

Eagle Specialty Products is known for manufacturing high-quality rotating assemblies that deliver exceptional value, combining performance-grade components with affordability. All Eagle rotating assemblies are test-fitted in-house to ensure proper fitment and reliable operation.