Eagle rotating assembly for Jeep 4.2L (258) designed for pump-gas, naturally aspirated street and strip use. The complete package replaces or upgrades stock internals with matched hardware: a 4.060 in cast steel crank, 6.123 in 5140 I-beam rods secured by 3/8 in ARP 8740 bolts, forged 4032 DSS -27cc inverted-dome 3.915 in pistons, plasma-moly file-fit rings and King SI rod and main bearings.
Eagle Jeep 4.2L 258 4.060in Cast Crank 6.123in I-Beam Rods -27cc 3.915in Pistons Rotating Assembly