The RSO Suspension Rear Lift Blocks for your Tacoma or Tundra are a great option to elevate your ride. Designed with a tapered spring seat to maintain the correct pinion angle on lifted applications. Paired with high strength steel extended U bolts and includes all the hardware required for installation they can handle maximum loads without compromise. Engineered using machined aluminum to outlast both cast iron and steel counterparts, with zinc plated U bolts and hardware for ultimate protection against corrosion. Designed as a simple lift solution these blocks work with your factory leaf springs without the need for cutting or drilling and all required hardware for a quick and simple installation. Backed by a limited lifetime manufacturer warranty on the workmanship/structure, 5 years on the components, and 1 year on the finish/coating.