Amazon Secure Payment System Continue shopping “Sierra International 18-8505 Marine Exhaust Elbow Mounting Kit for Mercruiser Stern Drive” has been added to your cart. Product Price Quantity Subtotal × Idle Adjustment Knob & Retaining Ring - 9.9 & 15 hp - 1974 to 1985 - Johnson Evinrude - OMC 387272 $25.82 Idle Adjustment Knob & Retaining Ring - 9.9 & 15 hp - 1974 to 1985 - Johnson Evinrude - OMC 387272 quantity $25.82 × Sierra International 18-8505 Marine Exhaust Elbow Mounting Kit for Mercruiser Stern Drive $21.96 Sierra International 18-8505 Marine Exhaust Elbow Mounting Kit for Mercruiser Stern Drive quantity $21.96 Coupon: Apply coupon Update cart Cart totals Subtotal $47.78 Total $47.78 Proceed to checkout