The Eagle rotating assembly for Jeep 4.0L (242) suits pump-gas, naturally aspirated street builds. It includes a 3.440" cast steel crank, 6.123" 5140 I-beam rods with ARP 8740 bolts, forged 4032 DSS 3.915" inverted-dome pistons, plasma-moly rings and King SI rod and main bearings for a complete, street-ready rotating package.
Eagle Jeep 4.0L 242 3.440in Cast Crank 6.123in I-Beam Rods -21cc 3.915in Pistons Rotating Assembly