Reman Horton DM Advantage 2 speed fan drive and clutch assy, 8.29 diameter 6PK rear serpentine pulley, 8.29 diameter 12PK front serpentine pulley, 7.46 overall length, 1.23 belt groove location, 3.5 bolt circle, 2.56 dia fan pilot, 1.07 long 5/16-18 fan studs, 9.45 high vertical mounting distance from top to bottom holes, 3.62 wide horizontal mounting distance from left to right holes, 4 hole hub mounting, 11.81 fan center; Horton rebuild super kit 995582 or Kit Masters rebuild kit 24-256; on/off reman variation option = Horton 79A9898 or Kit Masters 99834