Reman Horton DM Advantage 2 speed fan hub and clutch assy, 8.59 diameter 8K serpentine pulley, 7.42 overall length, 1.38 belt groove location, 3.5 bolt circle, 2.56 dia fan pilot, 0.81 long 3/8-24 fan studs, 2 high vertical mounting distance between top and bottom mounting holes, 2.36 wide horizontal mounting distance from left to right mounting holes, 4 hole hub mounting; Horton rebuild super kit 995582 or Kit Masters rebuild kit 24-256; Kit Masters 2spd reman 99319-2; This horton 2 speed version replaced on/off # 99A9319, for on/off version use Kit Masters 99319.