Amazon Secure Payment System Continue shopping “1990 OMC Cobra Stern Drives Service Manual 507878” has been added to your cart. Product Price Quantity Subtotal × SPORTSSTUFF Big Bertha Towable $123.02 SPORTSSTUFF Big Bertha Towable quantity $123.02 × 1990 OMC Cobra Stern Drives Service Manual 507878 $65.00 1990 OMC Cobra Stern Drives Service Manual 507878 quantity $65.00 Coupon: Apply coupon Update cart Cart totals Subtotal $188.02 Total $188.02 Proceed to checkout