Jeep 4.2L forged 5140 steel I-Beam Connecting Rods
Eagle now offers our popular forged 5140 steel "SIR" I-Beam rods for Jeep 4.2L straight 6. No need to worry with reworking old rods, you can now install new, stronger, weight-matched rods that feature ARP 8740 bolts. Small end is designed for use with press-fit piston pins so O.E. replacement pistons can be used. Part number is SIR6123JP. Available now through Eagle!