T-H Marine Transom Support Plate Lower Mount [TSP-2-DP] T-H Marine Supplies Sale! from $30.99 USD $0.00 USD /per Transom Support Plate Lower MountFeatures: 10" Bolt Hole Pattern Top Bolt Holes-Standard 3/8" Thickness. High quality Cast Aluminum Distributes the stress of the motor mounting bolts Produc variants Default Title Qty. Add to Cart Couldn't load pickup availability Refresh