Kit Masters reman replacement of Horton DM Advantage on/off fan drive and clutch assy, 7.51 diameter 8PK serpentine pulley, 11.42 overall length, 5.51 belt groove location, 3.5 bolt circle, 2.56 dia fan pilot, 2.06 long 3/8-24 fan studs, 2.76 high vertical mounting distance from top to bottom hole, 3.58 wide horizontal mounting distance from top holes, 3 bolt hub mounting, 11.81 fan center; uses 17274 fan spacer; Horton rebuild super kit 995534 or Kit Masters rebuild kit 14-256; 2spd reman option - Kit Masters 99887-2