Much Smoother Ride – an “Air Ride” – with Shocker Air Hitches! 587-897-4625 +3 Raised Ball Mount SH-310125 w/ 2-5/16" ball SH-310125 C$178.50 In stock Quantity: 1 Add to Bag Product Details . The Raised Ball Mount is used when tongue height is high or when receiver height on tow vehicle is low. Ball height range from +2 to -1 Save this product for later Favorite