MarineTorq Marine Manifolds Stainless 3" Outlet V6 Mercruiser HT9 Centre Outlet stuffing The diameter is 13

The diameter is 13

Deck Mounted Aluminium Housing to suit 3 3/8" Tacho

heavier swivel

(Also replaces heat exchanger only from mercruiser kits # 91036A5 and 91036A8)

5mm   Depth - 8mm

MarineTorq Marine Manifolds Stainless 3" Outlet V6 Mercruiser HT9 Centre Outlet stuffing The diameter is 13MarineTorq Stainless Steel Manifolds are a lightweight, custom made, one piece construction for both petrol and diesel inboard boat engines. Their unique design eliminates leaks and increases boat performance. Every manifold and riser is manufactured using premium marine grade stainless steel and fabricated and hand welded by highly trained and experienced staff. Every MarineTorq manifold is made from the highest quality marine grade stainless steel.