Eagle 13559L040 Street Performance Rotating Assembly - SBC 355 CID

The Eagle 13559L040 is a complete Street Performance rotating assembly designed for Chevrolet Small Block 350 engines, delivering 355 cubic inches at .040" overbore. This comprehensive kit provides excellent value and reliability for street builds producing up to 500 horsepower.

Complete Assembly Includes:

• Cast steel crankshaft with 3.480" stroke for improved durability over stock
• Eagle SIR (Super I-Beam Rods) I-beam connecting rods at 5.700" length with 3/8" ARP 8740 bolts
• Hypereutectic aluminum pistons designed for 4.040" bore
• Hastings piston rings with standard gap
• Quality rod and main bearings
• Pioneer flexplate included (indicated by "L" suffix)

Key Specifications:

• Displacement: 355 cubic inches at .040" overbore
• Stroke: 3.480 inches
• Rod Length: 5.700 inches
• Bore Size: 4.040 inches
• Balance: Unbalanced assembly - requires balancing by qualified machine shop before installation

Eagle rotating assemblies are test-fitted in-house to ensure all components work together properly. This Street Performance series offers the perfect balance of affordability, strength, and reliability for daily drivers, weekend warriors, and mild performance builds. Ideal for pre-1986 and 1987-newer Small Block Chevy applications.