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Stock Mercury Replacement Big Block Chevy 454/502 Cast Iron 3" Exhaust Kit 

# 700-58241
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Mercury Replacement Big Block Chevy 454/7.4L and 502/8.2L (Cast Iron) 3" Exhaust Kit

Qty Description OEM #
2 Exhaust Elbow 98504A3
2 Exhaust Manifold Assy. 807078A6
2 Gasket-Elbow 27-863724
2 Gasket-Manifold 27-46820
8 Flange Serrated Nut 11-49838
8 Stud (Steel) 16-49545
2 Hose Fitting w/ Drain Plug Kit 22-806926A1
  • Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
  • Manifolds and 3" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Riser has 15° down angle mounts with studs and nuts 1983-1995 Mercruiser V6, V8 engines with the center rise manifolds, uses 3" hose or bellows
  • Individual Runners for Improved Performance over Stock Manifolds
  • Replaces Mercruiser #807078T10 and 89011A8 Manifolds
  • Replaces Mercruiser #98504A3 Risers
  • Includes Bolts and Gaskets
MSRP: $1,267.81
Your Price: $760.99
 You Save: 40% off MSRP!

NOTE: This Item is currently out of stock. Expected Ship Date: (Contact Us via email for current availability)
You may place an order for this part but it will not ship until available. Any other items on your order will also not ship until this part is available. Please call us for more information.
I Understand this item is out of stock and my order will not ship until it is available. (Please Check Box)
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