Chris Alston gear drive set up for sbc/f1/f3 procharger. Comes with accessory drive, with cap, 2 different fuel pump mounts, a moroso vacuum pump mount and 8 gear sets. Also have a blower hub for spline drive and a 6 puck 6 bolt balancer hub.
The Gear sets are 1.400,1.450,1.500,1.600,1.647,1.700,1.750,1.824. Integrated crank trigger bracket and timing pointer. You could call Alston and purchase new feet and stand offs for just about any combination. F1 and f3 procharger front plate a few nicks and scratches but performers like new. $2000 shipped firm to the lower 48.
