Starting with factory fresh GM knuckles & ball joints, we CNC machine a new tapered outer tie rod pickup for quicker steering ratio, more steering angle, lower ackerman. We've thoughtfully clearanced material around the tie rod (with CAD modeled 3D surfacing) considering full compression and rebound travel. Compatible with OEM tie rods for a tight and reliable taper fit. 30mm or 1.25" wheel spacers are recommended on a basic wheel size like 18x9.5+40. Ackerman is approx 7 degrees. Install these knuckles with otherwise stock suspension for a simple setup and easy 48 degrees of useable steering angle. Or Up to 70 degrees of angle possible with these knuckles if limiting factors are resolved. Some clearancing to the front lower arm and a bump stop near the caliper mounting bolt is helpful to achieve greater useable angle with stock arms. Adding our custom control arms and tie rods will allow full use of the knuckle. This was thoroughly tested on Matt Field's street C6 at Sonoma Drift Winter Jam 2018 where he inspired everyone by keeping up with pro cars on the track using his fixer-upper base model sourced for ten grand modestly equipped with only our hand brake, coilovers, borla exhaust & a tune! #LetsJustDriftVettes