Fits both right and left. Use only with the axle mounted steering box. Holes are closer to the king pin than 16-1965. Distance is 3.00" from the steering rod mounting hole to the center of the king pin. This is the steering arm that comes standard on 2004 and up Hyper Chassis.
Bolt hole spacing for mounting to the spindle is 2-1/8". Uses 3/8" diameter bolts.