The Eagle Pro Street rotating assembly for Chevy 396 engines provides a compact, race-oriented bottom end for naturally-aspirated builds. Based on supplied details it pairs a 3.766" crank with 6.135" I-beam rods and forged 4032 ICON 41cc dome 4.125" pistons; use context indicates this is a complete rotating assembly intended for high-rev NA applications where a balanced bottom end is required.
Eagle Chevy 396 3.766in Crank 6.135in I-Beam Rods 41cc Dome 4.125in Pistons Rotating Assembly