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Eagle rotating assembly for Jeep 4.2L (258) suited to pump-gas, naturally aspirated street and strip applications. This matched rotating package includes a 3.895 in cast steel crank, 6.123 in 5140 I-beam rods with 3/8 in ARP 8740 bolts, Hypereutectic KB -27.5cc inverted-dome 3.915 in pistons, plasma-moly file-fit rings and King SI rod and main bearings for reliable street use.
Eagle Jeep 4.2L 258 3.895in Cast Crank 6.123in I-Beam Rods -27.5cc 3.915in Pistons Rotating Assembly
