Bilstein 6112 Strut & Spring + 5160 Res Set 05-15 Tacoma 0.5-2.75" Front Pair of Struts & Springs + Rear Pair of Shocks. Front 6112 Strut & Springs: Thick 60mm shock body provides more fluid capacity than 5100 and 4600 series, allowing for more aggressive driving and improved durability. Comparable to TRD offroad suspension package. Rear 5160 Shocks: Monotube gas charged for longevity, durability, and performance,. All necessary washers, bushings, reservoir clamps, and nuts included. Factory shock mounting bolts are reused for installation. Mounting plates sold separately.. Bilstein's Limited Lifetime manufacturer's Warranty protects against defects and premature failure..