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Manifold Exhaust Kit for Mercruiser GM 5.0L 305 5.7L 350 4 Inch 1987-2003


  • Part #: HGESB4MER

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Manifold Exhaust Kit for Mercruiser GM 5.0L 305 5.7L 350 4 Inch 1987-2003
Exhaust Manifold Kit which fits Mercruiser, Marine Power GM Small Block V8 with 4" Center Riser Exhaust.
4 Inch means the exhaust hose size that fits the riser is 4 inch inside diameter.

Includes 2 HGE # 7114 Manifolds, 2 HGE # 4354 Risers, Manifold Gaskets, Riser Gaskets for both fresh water and raw water cooling and mounting hardware.

This kit includes:
2 - HGE # 4354 4" Risers
2 - HGE # 7114 Manifolds

This Kit will replace the Original Mercruiser equipment.

NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems.
Click here if you have a Dry Joint Exhaust
Cross Reference Component Part Numbers
Mercury Quicksilver Manifolds 860246A10, 87114A19
  Risers 807988A2, 44354A3
Osco Manifolds 7114B
  Risers 4354
Barr Manifolds MC-1-87114
  Risers MC-20-44354
GLM Manifolds 51230
  Risers 51140
  Kits (4 Manifolds/Risers) 58232
Sierra Manifolds 18-1953-2
  Risers 18-1976-1
HGE Manifolds 7114
  Risers 4354
Mallory Manifolds 9-40507
  Risers 9-40559

3-Year Warranty

Extra Shipping applies for Manifold/Riser Kits: $59 for states east of the Mississippi, $79 for states west of the Mississippi
Shipping outside of the contiguous US will be sent by email after the order is placed


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