A modification bundle designed to extend the displacement of the Jeep 4.0 liter inline-six engine. This sometimes includes changing the crankshaft, connecting rods, and pistons with elements which have an extended stroke, successfully rising the engine’s bore and/or stroke dimensions. The target is to reinforce the engine’s low-end torque and general energy output.
The enchantment lies within the potential for vital efficiency positive factors with out resorting to extra complicated and dear engine swaps. It provides a steadiness between affordability and improved driving expertise, notably helpful for off-road functions the place low-end torque is essential. The idea has advanced over time, with numerous producers and builders providing totally different configurations and element decisions, catering to various efficiency objectives and budgets.