Amazon Secure Payment System Continue shopping “McGard 74023 Marine Twin Stern Drive Lock Set (1/2″- 20 Thread Size) – TRS – Set of 2” has been added to your cart. Product Price Quantity Subtotal × OEM Mercury Mariner 15-25HP Outboard Water Pump Impeller Repair Kit 47-85089T 4 $31.78 OEM Mercury Mariner 15-25HP Outboard Water Pump Impeller Repair Kit 47-85089T 4 quantity $31.78 × McGard 74023 Marine Twin Stern Drive Lock Set (1/2"- 20 Thread Size) - TRS - Set of 2 $52.33 McGard 74023 Marine Twin Stern Drive Lock Set (1/2"- 20 Thread Size) - TRS - Set of 2 quantity $52.33 Coupon: Apply coupon Update cart Cart totals Subtotal $84.11 Total $84.11 Proceed to checkout