This is a A-807-5506 Clamp Yoke Implement Yoke PN: 807-5506Main Description As Following : A-807-5506 Clamp Yoke Implement Yoke PN: 807-5506 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 : New Implement clamp yoke. 1-3/8" 6 spline. Original Weasler part. Bore: 1 3/8" - 6 Spl.