ICON 2.5 VS Piggyback Rear Shocks, Pair | 2010-2021 Toyota Tundra

Move a second-gen Tundra rear suspension to 2.5-inch piggyback reservoir shocks when sustained rough-road heat and repeated suspension cycling justify the extra oil volume. The piggyback design keeps the reservoir compact at the axle while retaining ICON’s rebuildable vehicle-specific damping.

Compared with the internal-reservoir 57620P, the advantage is heat capacity and consistency under harder use, not additional lift by itself.

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