OE Number: 27-87105, 27-860232, 27-863726. Fit for Mercury Mercruiser 1983-2002 V6 and V8 engines. The exhaust elbow riser gasket is a good replacement for your original or broken one. Made of good material, corrosion resistant, durable. Reliable quality, and long time use. Please follow the maintenance manual and correct installation steps to install the product. The installation manual is not included. Please comfirm your car model and OE number before ordering. Package Included: 2 x Exhaust Elbow Riser Gasket.