2048-550 - 1993-2002 GM F-Body UMI Coil Over Kit, Double Adj, Bearing Mounted 1981-ford-f-150-esi8916162 The main hoop mounts firmly

The main hoop mounts firmly on the strongest part of the car's unibody frame

When strength is a concern

longer drain intervals

Waterproof PVC Reinforced Bottom Protects The Contents Of Your Bag

2048-550 - 1993-2002 GM F-Body UMI Coil Over Kit, Double Adj, Bearing Mounted 1981-ford-f-150-esi8916162 The main hoop mounts firmlySpanner Wrench & Thrust Bearing Kit: Spanner wrench tool is used to adjust vehicle height while shock stays mounted. This wrench is needed to make height adjustments. The thrust bearing kit is designed to be placed between the spring and the spring seat attached to the shock. This makes for easier adjustments since the spring seat is rotating on a bearing. This kit is recommended for easier adjustments but is not needed to complete the installation.