This is a A-102-2620 Quick Disconnect Tractor Yoke PN: 102-2620Main Description As Following : A-102-2620 Quick Disconnect Tractor Yoke PN: 102-2620 Found in Section & Models : Driveline > Driveline Components, Neapco DOMESTIC: 2600 SERIES, Driveline > Yokes, Neapco DOMESTIC: 2600 SERIES Associated Items : New Also This is An Aftermarket Product And : Weasler alternative to original part. Bore: 1 3/4" x 20 Spl. Centerline To End: 5-5/16"