Sparex source: https://us.sparex.com/cv-pto-1-3-4-20-spline-45mm-shaft-118288.html Product: Cv PTO, 1 3/4 - 20 Spline 45mm Shaft - Sparex S.118288 SKU: S.118288 Listing note: CV TRACTOR HALF SHAFT, A6 SERIES 52Long Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.