Eagle Chevy 350 1Pc 3.750in Crank 5.700in I-Beam Rods 4.060in Pistons 153 Tooth FP Balanced Assembly

The Eagle B15504L06053 is a complete balanced rotating assembly from Eagle Specialty Products' Street & Strip series, designed for Chevrolet Small Block 350 engines (including LT1) with a 1-piece rear seal. It supports up to 500 horsepower, suitable for street performance and mild racing. The kit includes a cast steel crankshaft, Eagle SIR forged 5140 steel I-beam connecting rods, hypereutectic aluminum pistons (-12cc inverted dome, 4.060" bore), premium plasma-moly standard gap piston rings, King SI rod and main bearings, and a Pioneer 153 tooth flexplate. This assembly is factory balanced and constructed from certified steel with multi-stage heat treating, sonic testing, and magna-fluxing. The rod surfaces are shot-peened, and proper overbore sizing is ensured.