~ Adjusts rear knuckles forward or backwards to further dial in suspension geometry/toe curve ~ lifetime manufacturers defect warranty ~ CNC Solid steel construction ~ PTFE lined low torque spherical bearings ~ Forged Clamping lock nut makes double sure your settings never come loose ~ Super long adjuster threads for more thread overlap ~ Bell shaped high surface area pillowball side spacers reinforce subframe mount & give freedom of PB motion ~ Laser cut mounting bracket ~ Copper and Gold plated finish ~ Safe maximum length is 9-5/8 inches from hole to hole. Must check clearance between upper arms and coilovers. Must check clearance between toe rod bolts and coilover lower mounts.