QA1s coil-over shock thrust bearing kits will provide less bind on the attachment points of your coil-over shocks.
This kit allows easier changing of the ride height.
It allows the lower perch to spin while hand turning without a spanner wrench.
Just install on the lower perch (coating each section with Anti-seize)and drop your spring on top.
2-1/2″ Kit includes 2x Roller Thrust Bearings, 4x Washer Shims (set of two)
2-1/4″ kit includes 1x Roller Thrust Bearings, 2x Washer Shims (individual)