Sparex source: https://us.sparex.com/pto-yoke-quick-release-u-j-size-1-1-8-x-2-5-8-size-1-3-8-6-spline-128165.html Product: PTO Yoke - Quick Release (u/j Size: 1 1/8'' X 2 5/8'') Size: 1-3/8''-6 Spline - Sparex S.128165 SKU: S.128165 Listing note: Series Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.