Eagle rotating assembly for Jeep 4.2L (258) intended for pump-gas, naturally aspirated street and strip use. This complete rotating package uses a 4.060 in cast steel crank, 6.123 in 5140 I-beam rods with 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 to deliver a matched internal upgrade.
Eagle Jeep 4.2L 258 4.060in Cast Crank 6.123in I-Beam Rods -10cc 3.935in Pistons Rotating Assembly