Mercruiser Exhaust 170 165 3.7 Litre Header Tank New HGE Cast Iron Manifold

Header Tank for Mercruiser 3.7 Litre, 4 Cylinder, 470, 170, 165, and all 3.7 litre applications
Using the Cast Iron Manifold – Mercury part No. 99908A3 (cast iron)
Kit Includes Cast Iron Header Tank Plus Gaskets and Bolts
Brand New. Manufactured by HGE – Major A/Mkt US Manufacturer of Marine Exhausts
The 3.7 Litre Engine in 1985/1986 Came Equipped with an Aluminum or Cast Iron Manifold and Cast Iron Header Tank.
NB – Exhaust Elbows are different for Cast Iron 470 / 170 Manifolds.
This Header Tank Requires the correct Exhaust Manifold.