Overview Reviews Product Description For an online PTO identification/selection tool, please click this link to access Neapco's online database Neapco Driveline Components Catalog Neapco Complete U-joint Catalog Product Videos Custom Field Driveline series Spicer® 1610 Spicer® equivalent 5-1-873-4 Country of origin China Product Reviews Write a Review Write a Review × Neapco 2.375" Round - Spicer® 1610 Series Standard Companion Flange N5-1-873-4 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *