The Eagle Pro Street rotating assembly for Chevy 4.8/5.3 LS is a forged rotating kit intended for naturally aspirated racing. It specifies a 3.900" crank with a 24-tooth reluctor, 6.125" I-beam rods and forged 3.898" pistons, presented as a Pro Street assembly to provide durable forged internals for race-focused NA LS builds.
Eagle Chevy 4.8/5.3 LS 3.900in Crank 24 Tth Rlctor 6.125in I-Beam 3.898in Pistons Rotating Assembly