Aluminum power steering race pump (model number 20-06283) with 6.0" aluminum V-belt pulley (model number 20011). Designed to withstand the rigors of racing. 7.2CC pump volume. Bolt-on -10 AN inlet. -6 AN outlet. Features a flow valve that can easily be changed to adjust the feel of the steering. Slotted base pump adapter fits 72mm or 80mm mounting brackets. Includes 1.05 GPM flow valve (model number 21304).