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SPL Parts PRO solid subframe conversion bushings for 1989–1994 Nissan 240SX allow S14/S15 subframes to be mounted on an S13 chassis or vice versa, preventing subframe movement under drivetrain torque and maintaining suspension geometry. The slide‑in shim system enables roll center and anti‑squat tuning. Precision CNC-machined 6061‑T6 billet aluminum with optional rubber isolation washers; sold as a complete kit for one car, made in the USA.
SPL Parts 89-94 Nissan 240SX (S13) PRO Solid Subframe Conversion Bushings
