ISR Performance High Tensile Strength Offset Steering Rack Spacers Offset Steering Rack Spacers are a simple way to overcome steering bind, With aftermarket knuckles this problem is more common. Normally you would have to relocate your steering rack to overcome it and gain access to more steering lock, but with the ISR Performance High Tensile Strength steering rack space this problem is easily solved.   Early S13 rack can use this product if the rack is cut with new notches using an angle grinder and some care.   ** All ISR Performance Products are Designed for Off Road Use Only **