OEM MerCruiser 7.4 / 454 / 502 Exhaust Manifold and Riser kit

OEM MerCruiser 454 and 502 Exhaust Kit

Fits:
• 454 and 502 center riser style engines with 4 inch risers
• Approx. 1983-2002

Includes:
• 2x OEM MerCriuser Manifold 807078T08 Replaces 807078T10
(manifold to head gaskets included in box)
• 2x OEM 4" Riser, 7 degree - 807988q03 (replaces 807914A1 and 807988a03)
• 2x OEM riser gaskets (selectable style)