Eagle Chevy 350 3.480in Crank 5.700in I-Beam Rods -5cc Flat Top 4.060in Pistons Balanced Assembly

This rotating assembly is designed for Small Block Chevrolet 350 applications producing under 500 horsepower. It includes an Eagle Cast steel crankshaft with a 3.480 stroke, 2-piece rear seal, Eagle forged 5140 steel "SIR" I-Beam rods (5.700 length with 3/8" ARP 8740 rod bolts), 4032 Forged Mahle pistons with a -5cc flat top design, performance ring set, and performance rod and main bearings. The kit is unbalanced and requires internal balancing before installation (part number B13021E is for the balanced kit). Compression ratios are 10.3:1 with 58cc heads and 9.6:1 with 64cc heads. It's available for various bore sizes, including STD (4.000) for 350, .030 (4.030) for 355, .040 (4.040) for 356, and .060 (4.060) for 360, referring to different displacements of the Small Block Chevy 350 engine family.