Specifically designed for aftermarket coilovers that do not have a factory shaped center hole. These are a perfect fit for coilovers such as BC, Megan etc..
These RCAs (Roll Center Adjusters, or Bump Steer Spacers as the 510 guys call 'em) are designed to get rid of that pesky bump steer on your lowered vehicle.
The alignment sleeves are solid milled into the unit, so they will not get lost or come off. These RCAs will NOT move or become mis-aligned, no matter how hard you drive.
Comes with all new mounting hardware - four new grade 8.8 bolts and lock washers.
Our latest version is now 35mm tall for more bump steer reduction on very low cars.