A: Don’t buy these. Super stiff ride 

A: It's for both rear shocks. They're good! I've put them through hell in the sand dunes a dozen times now along with one Michigan winter roads season. I don't like the boot/bellows that cover the shafts because they hold on to moisture and debris which can't be good for the seal. I solved this by removing the boots and installing Daystar 2.0 shock guards (Fasten around the bottom with a nylon zip-tie once your tapped the holder piece on with a plastic deadblow hammer. I think the Daystar guards were less than $30 with shipping. All good now!

A: Yes this shock combo will fit the 2011 FJ Cruiser | REAR - Bilstein 5100 Series Shock Absorber - PN: 33-313146 FITS: Toyota 4Runner 2021-2003, FJ Cruiser 2014-2007. | FRONT - Part Number: PN: BIL24-196499 (Notes: -Front Lift Height: 0-2.5") FITS: Toyota 4Runner 2021-2011, FJ Cruiser 2014-2011