This unit is suitable for drag race. There are different wheel drive ways for
  different vehicles, such as front 2WD, rear 2WD, and 4WD; the coilover will be
  different, of course.
The most important function for ride height adjustable is avoided to compress the   
  spring by the spring seat caused the unusual sound when you change the ride height
  or lower the vehicle too much caused the spring seat does not snug the spring,
  that will damage the coilover. The coilover can be dropped 60mm~100mm from OE
  ride height.
Made up of aluminum material to reduce the weight of vehicle.
We advise our customers who utilize the principle of ride height adjustable when
  installation to balance the weight of driving tires to avoid the time so long that make
  the tire to idle running to increase LSD life-cycle.
This final subject is when start of a race in the twinkling of an eye, the car's front and
  rear weight will be changed for according with the driving wheels result largely from
  compression. Which reduce the time of idle running of tires and increase the stability
  of vehicle in high speed.
Camber plate can be adjusted by McPherson coilover kit
If there is no application desired, we can customize the coilover for you to meet the
  requirements.
3D pillowball upper mount for your options can be adjusted the camber and caster.
All applications listed on our website are for 2WD model unless we specify 4WD.
The "model year" defined for each application on our website might be different to
  the ones in each country; therefore, please confirm the "production years" with us if
  you cannot make sure.
DRAG suspension kit is made specifically for your personal use so both front
  and rear struts are marked as "★"
 

PILLOWBALL TOP MOUNT

     
  The pillowball top mount can be adjusted the camber degrees and increase the handling  
  and stability of your vehicle by 10%. However, it is easy to creating some slight unusual  
  sound when come across a big bumps. The pillowball top mount cover no warranty.