Eagle rotating assembly for Jeep 4.2L (258) built for pump-gas, naturally aspirated street and strip applications. This complete rotating package replaces stock internals with matched components. It pairs a 3.895 in cast steel crank with 6.123 in 5140 I-beam rods and 3/8 in ARP 8740 bolts, forged 4032 DSS -10cc inverted-dome 3.935 in pistons, plasma-moly file-fit rings and King SI rod and main bearings.
Eagle Jeep 4.2L 258 3.895in Cast Crank 6.123in I-Beam Rods -10cc 3.935in Pistons Rotating Assembly