what shocks to recommend depends on what you plan to do with the 4runner. if you plan to do any regular off roading then you probably want some of the more expensive shocks designed for that like bilstein 5100 or fox etc

but if its more of a daily driver with only occasional light off roading then something more like a OEM replacement will work fine. lots of guys use stock shocks from other vehicles that will fit 4runners like FJ cruisers or tacomas or newer 5th gen 4runners.

or what i did since i rarely do any real off roading is to use the KYB shocks & complete front shock/springs. they are made about 10% stiffer than stock & teh fronts will provide about 1-1.5" lift over stock so no need to mess with spacers, if you want a true front level you can always add spacers to them. i replaced my xreas on my 08 at 145k miles & while the xreas wasnt leaking & seemed to still work, they were tired & the front springs were sagging some. the ride now is excellent & controlled & it lifted the front to close to level. cant beat the kyb's for the price. rockauto has the best price on them & there may still be a rebate from kyb.