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Description
Genuine OEM MerCruiser big block exhaust manifold & riser kit for 454 and 502 center-riser engines with 4" risers, approx. 1983–2002. Redo both sides of your big block exhaust in one kit.
- 2× manifold #807078T08 (replaces 807078T10), manifold-to-head gaskets included
- 2× 4" riser, 7° #807988Q03 (replaces 807914A1, 807988A03)
- 2× riser gaskets (selectable style)
Wet-joint vs. dry-joint matters. Call 856-232-6969 with your serial number and we’ll confirm the right kit.
Warranty Information
Mercury Marine & Quicksilver products carry a 1 year factory warranty against defects and workmanship. Serialized items such as engines, drives, and transom assemblies must be installed by a dealer for warranty to be valid.
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Specs
UPC: |
K-OEM454 |
|
MPN:
|
807078T08
|
Coating: |
E-Coated |
Engine Size: |
Big Block V8 (454 and 502) |
Generation: |
Wet Joint (86-2002) |