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Eagle rotating assembly for Jeep 4.2L (258) built for pump-gas, naturally aspirated street and strip use. The matched rotating package pairs a 4.060 in cast steel crank with 6.123 in 5140 I-beam rods and 3/8 in ARP 8740 bolts, forged 4032 DSS -21cc inverted-dome 3.935 in pistons, plasma-moly file-fit rings and King SI rod and main bearings to provide a complete engine-internal upgrade.
Eagle Jeep 4.2L 258 4.060in Cast Crank 6.123in I-Beam Rods -21cc 3.935in Pistons Rotating Assembly
