The GKTECH Tension Rods (aka Caster Arms) allow adjustment in your GTR's castor to bring the wheels forward and increase steering response. In general, the more caster the better. Allowing sharper turn in and faster return to the straight position when letting go of the wheel. Our arms feature high quality 5/8" Teflon lined pillow ball rod ends which eliminate the flex found in factory rubber bushing offering a more direct and predictable feel. - Manufactured from 4130 chromoly tube with billet CNC machined ends and CNC machined 4130 chromoly adjusters. - CAD designed, FEA tested, CNC machined ends and TIG welded Vehicle Compatibility: - Nissan R32 GTR - Nissan R32 GTS-4 - Nissan R33 GTR - Nissan C34 Stagea