766-9011A MANIFOLD MERCRUISER #89011 (OSC 9011A)

V8 Big Block Exhaust Manifold
Replaces Merc #807078A 6, 89011A8
Center rise direct replacement exhaust manifold
For Mercruiser V8 big block 330, 340 and 454 magnum models
Use mounting kit OSC9011A-MK to mount manifold to cylinder head
Necessary pipe plugs are included