High-precision rack pinion steering gear box replacement for systems using model JW1-F3400-00, restoring directional control and reducing play in steering linkages. Designed to consistent response throughout the steering range. Built to match original geometry of rack pinion assemblies requiring JW1-F3400-00, this unit ensures accurate engagement with tie rods, promoting uniform steering effort and minimizing steering wander during varied driving conditions. This gear box preserves proper lubrication channels and bearing alignment for model JW1-F3400-00, helping maintain optimal steering performance and reducing wear on internal gears and seals under continuous operation. Designed for easy installation in compatible DR2A18 EFI 2018 chassis, this JW1-F3400-00 gear box restores original steering geometry without modifications, supporting accurate alignment and rider control. Fits for Drive2 DR2A18 EFI 2018 chassis and other compatible equipment requiring rack pinion steering gear box model JW1-F3400-00; suitable for systems needing directional control, minimal play, and reliable steering response under varied load conditions.