Amazon Secure Payment System Continue shopping “Sierra International 18-8534 Marine Exhaust Elbow Mounting Kit for OMC Sterndrive/Cobra Stern Drive” has been added to your cart. Product Price Quantity Subtotal × SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio $895.00 SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio quantity $895.00 × Sierra International 18-8534 Marine Exhaust Elbow Mounting Kit for OMC Sterndrive/Cobra Stern Drive $16.95 Sierra International 18-8534 Marine Exhaust Elbow Mounting Kit for OMC Sterndrive/Cobra Stern Drive quantity $16.95 Coupon: Apply coupon Update cart Cart totals Subtotal $911.95 Total $911.95 Proceed to checkout