This is a A-809-5516 Stock Bore Implement Yoke (w/ Hub O.D. Turned) PN: 809-5516Main Description As Following : A-809-5516 Stock Bore Implement Yoke (w/ Hub O.D. Turned) PN: 809-5516 Found in Section & Models : Driveline > Driveline Components, Weasler Domestic: 55 Series, Driveline > Yokes, Weasler Domestic: 55 Series Associated Items : New Also This is An Aftermarket Product And : Original Weasler part. Bore: 1"