Reman Horton DM Advantage 2 speed fan hub and clutch assy, 8.89 diameter 8PK serpentine pulley, 7.33 overall length, 3.96 belt groove location, 3.5 bolt circle, 2.56 dia fan pilot, 0.81 long 3/8-24 fan studs, 6.33 high vertical mounting distance from bottom left hub mounting hole to fan center, 9.02 wide horizontal mounting distance from left side hub mounting holes across hub mounting pads, 6 hole hub mounting, 8.18 fan center; Horton rebuild super kit 995582 or Kit Masters rebuild kit 24-256; NOTE - per Horton on/off 99A9562 version must be upgraded to 2 speed version