pow-a-rak var-a-matic serv-a-rak bevel boxes direct sales sub-contract work A central input rack and pinion power steering gear primarily designed to bring passenger car performance to commercial vehicle use. Typically these steering gears are fitted to forward control vehicles such as buses where chassis space is at a premium. With a central input shaft this design enables a universal system for right or left hand drive configuration. The lightweight design offers considerable weight savings to manufacturers. The number of turns and rack travel are some of the features that can be tailored to individual customer requirements. This steering gear is supplied to Renault Vehicle Industries of France for passenger buses.