The complete intensifier assembly: updated intensifier with hydraulic shift manifold. This updated intensifier design includes the newer, more stable, hydraulic piston ("hi-load" piston with 3-bands for stability), and the newer, double-acting, 2-piece check valve outlet assembly. Drop-in-place replacement for the older, original-style Flow intensifiers. Uses same HP seals but check valve rebuild becomes F300-K0091-0000 and low pressure seal kit requires F300-K0113-0000. Upgrade today and realize a smoother-shifting better- performing intensifier. (Be sure to use a ring compressor to re-install the hydraulic piston. Rebuild service also available.)