Center Rise Exhaust Manifold Compatible With 1981-2002 Mercruiser Mcm Mie Gm Big Block V8 7.4L 454

OEM PART NUMBERS:
• Mercury Marine: 89011A8 / 89011A8 (earliest)
• Mercury Marine: 807078A2 / 807078A2
• Mercury Marine: 807078A4 / 807078A4
• Mercury Marine: 807078A6 / 807078A6
• Mercury Marine: 807078T09 / 807078T09
• Mercury Marine: 807078T10 / 807078T10 (current)

SPECIFICATIONS:
• Type: Center Rise Exhaust Manifold
• Design: Center Rise, Water-Cooled (Wet Joint)
• Material: Heavy-Duty Cast Iron
• Fitment: Port or Starboard (same part)
• Engine: GM Big Block V8 454 CID (7.4L) and 502 CID (8.2L)
• Supersession: 89011A8 → 807078A2 → A4 → A6 → T09 → T10
• Gasket: Manifold-to-head gasket included
• Condition: New

APPLICATIONS:
• MerCruiser MCM/MIE GM Big Block V8 454 CID (1981-2002)
• MerCruiser MCM/MIE GM Big Block V8 502 CID (1990-2002)

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov