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The Supertech dual valve spring kit for the Toyota 1FZ‑FE 24-valve engine supplies matched inner and outer springs for that V8 head. Intended as a direct replacement during maintenance or rebuilds, it restores the dual-spring configuration required by the 1FZ‑FE valvetrain to maintain proper valve seating and lift characteristics in Toyota 1FZ‑FE applications.
Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit
