MerCruiser 807988-C 807988A2 Closed-Cooling Exhaust Riser 5.7L 350 7.4L 454

Part Number(s) Included

• MerCruiser 807988-C Exhaust Manifold Riser (You get the SINGLE RISER as pictured)
  • Superseded / Equivalent / Possibly Related P/N:
    • 807988A2 / 807988A03
  • From a Closed Cooling Setup, (No front water inlet, scaling on the inside)

General Application / Compatibility

• Specifically, ths particular riser was from a Closed-Cooling Configuration from 1996-1998 as it doesn't have a fitting on the front for a water hose
  • 5.0L 305 / 5.7L 350 260hp / 7.4L 454 / 8.2 502 etc Alpha One & Bravo applications
  • Dry joint risers look very different from these so it's very hard to mix these up.

Other Details

• Freshwater Used Parts
• As this was used originally with a closed cooling system and a fully blocked off riser gasket, that is why the inside passage looks the way it does.  (please see pictures) 
• Cleaned & Repainted

Purchase with confidence!