This Eagle rotating assembly for Chevy LT1350 combines a 3.480" crank with 5.700" I‑beam rods and -21cc 4.040" flat‑top pistons into a matched rotating set. The product description identifies it as a coherent rotating package for LT‑series small‑block Chevy projects that require these exact component dimensions and piston volume characteristics.

Eagle Chevy LT1350 1Pc 3.480in Crank 5.700in I-Beam Rods -21cc 4.040in Pistons Rotating Assembly