Description + Cross References:4801101 Additional Info + Mfr Part Number: 4801-101 Pilot Dia: 3.150 Bolt Cir Dia: 4.343 Class: HD Spline Ct: 10 Spline Dia: 1.750 Hub Dia: 2.148 Thru Hole: 2.728 Bolt Holes: .480 Face to End: 2.717