Mercury Marine Manifold Exhaust Kit for V-6 GM 4.3-Liter with 4" Mangnum 7° Risers.
2 - 807988Q03 Risers 2 - 99746A17 Manifolds Manifold & Riser Gaskets plus Mounting Hardware 1 year limited warranty
This is a Mercruiser Original Equipment kit and is "E-Coated", NOT "Ceramic coated".
Fits Mercruiser GM V6 Raw/Fresh water engines. Not for Dry-Joint exhaust applications.