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Drive System Parts - OMC

Exhaust Manifold 807078T08
Your Price:
$217.99

This Part has options, please click the button below to order.

Mercruiser Big Block Chevy, 7.4L, 454/502 Exhaust Manifold 807078T08

700-51240

Mercruiser Big Block Chevy Exhaust Manifold Kit 454/502 89011A8 / 807078T08

Qty Description OEM #
1 Exhaust Manifold 807078T08
1 Hose Fitting w/ Drain Plug 22-806926A1
1 Gasket-Elbow 27-863724
1 Gasket-Manifold 27-46820
  • Direct Replacement for Mercruiser Big Block Chevy 454/502 Manifold
  • Manifold Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Individual Runners for Improved Performance over Stock Manifold
  • Replaces Mercruiser #807078T10, 80707T08 and 89011A8, 807078A6 Manifolds.
  • Can use with 4" or 3" Riser
  • Includes Gaskets
  • 3-Year Warranty
  • Sold Each.

Shaft & Stub Assembly
Your Price:
$378.99

Shaft & Stub Assembly

676-18-6399

Interchanges/Replaces

Mallory

  • 9-72202

OMC Stern Drive

  • 984264

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,179.99

This Part has options, please click the button below to order.

Stock Mercury OEM Big Block Chevy 454/502 Cast Iron 4" Exhaust Manifold and Riser Kit - 807078T08

525-454

Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 807078T08
2 Gasket-Elbow 27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-863725-1  (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-46820
  • Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #807078T08 and 89011A8 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,689.99

This Part has options, please click the button below to order.

Stock Mercury OEM Big Block Chevy 454/502 Cast Iron 4" Exhaust Manifold, 3" Spacer and Riser Kit - 807078T08

525-4543

Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/ 3" Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 807078T08
1 3" Spacer Kit with Elbow Gaskets 93320A13
2 Gasket-Manifold 27-46820
  • Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #807078T08 and 89011A8 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,899.99

This Part has options, please click the button below to order.

Stock Mercury OEM Big Block Chevy 454/502 Cast Iron 4" Exhaust Manifold, 6" Spacer and Riser Kit - 807078T08

525-4546

Mercruiser OEM V8 BBC 454/7.4L and 502/8.2L Exhaust Manifold and Riser Kit w/ 6" Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 807078T08
1 6" Spacer Kit with Elbow Gaskets 93322A12
2 Gasket-Manifold 27-46820
  • Direct OEM Manufactured Replacement for Mercruiser Big Block Chevy 454/502 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #807078T08 and 89011A8 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,139.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 305 / 350 Cast Iron 4" Exhaust Manifold and Riser Kit - 860246A10

525-350

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 860246Q11
2 Gasket-Elbow 27-863724 (2 Slot, Restricted) or 27-863726 (4 Slot, Full Flow), or 27-863725-1 (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 305/350 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #860246A10 and 860246Q11 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,649.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 305 / 350 Cast Iron 4" Exhaust Manifold, 3" Spacer and Riser Kit

525-3503

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/ 3 " Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 860246Q11
1 3" Spacer Kit with Elbow Gaskets 93320A13
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 305/350 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #860246A10 and 860246Q11 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,869.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 305 / 350 Cast Iron 4" Exhaust Manifold, 6" Spacer and Riser Kit

525-3506

Mercruiser OEM V8 SBC 305/5.0L and 350/5.7L Exhaust Manifold and Riser Kit w/ 6" Spacer

Qty Description OEM #
2 Exhaust Elbow 807988Q03
2 Exhaust Manifold Assy. (with  drain plug) 860246Q11
1 6" Spacer Kit with Elbow Gaskets 93322A12
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 305/350 Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #860246A10 and 860246Q11 Manifolds
  • Replaces Mercruiser #807988Q03, 807988A03 and 44354A3 Risers

GM V8 BB Exhaust Manifold System Set

Your Price:
$2,030.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 350 Dry Joint Cast Iron 4" Exhaust Manifold and 14 Degree Riser Kit - 865735A02

525-35014

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 14 Degree Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 864591T02 (14 Degree)
2 Exhaust Manifold Assy. (with  drain plug) 865735A02
2 Gasket-Elbow (2 Slot, Restricted) or (4 Slot, Full Flow), or (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 350 Dry Joint Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #865735A02 and 864308T01 Manifolds
  • Replaces Mercruiser #864591T02 Risers
  • Fits 2002 and newer 350/377 engines with dry joint exhaust serial 0M317000 and up.
  • Fits 2004 and newer 305, 350 and 377 engines with dry joint exhaust serial 0W310000 and up.

GM V8 BB Exhaust Manifold System Set

Your Price:
$1,925.99

This Part has options, please click the button below to order.

Stock Mercury OEM Small Block Chevy 350 Dry Joint Cast Iron 4" Exhaust Manifold and 7 Degree Riser Kit - 865735A02

525-35007

Mercruiser OEM V8 SBC 350 Dry Joint Exhaust Manifold and 7 Degree Riser Kit w/out Spacer

Qty Description OEM #
2 Exhaust Elbow 864309T02 (7 Degree)
2 Exhaust Manifold Assy. (with  drain plug) 865735A02
2 Gasket-Elbow (2 Slot, Restricted) or (4 Slot, Full Flow), or (Block Off, For Closed Cooling)
2 Gasket-Manifold 27-33395
  • Direct OEM Manufactured Replacement for Mercruiser Small Block Chevy 350 Dry Joint Manifolds and Risers
  • Manifolds and 4" Risers Constructed from Cast Iron and painted with black corrosion resistant paint.
  • Replaces Mercruiser #865735A02 and 864308T01 Manifolds
  • Replaces Mercruiser #865735A02 Risers
  • Fits 2002 and newer 350/377 engines with dry joint exhaust serial 0M317000 and up.
  • Fits 2004 and newer 305, 350 and 377 engines with dry joint exhaust serial 0W310000 and up.

GM V8 BB Exhaust Manifold w/ 6” Spacer & 4” Elbow
Your Price:
$965.99

Stock Mercury Replacement BBC 454/502 Cast Iron 4" Exhaust Kit w/ 6" Spacer

700-58246

Stock Mercury Replacement BBC 454/7.4L and 502/8.1L Cast Iron Exhaust Kit w/ 6” Spacer
Mercury Big Block Chevy Exhaust Kit with 6 Inch Spacer. This kit has 3 Inch Elbow Kit used with 4" exhaust hose. For 1981 & Up.

Qty Description OEM #
2 Exhaust Elbow 807988A2
2 Exhaust Manifold Assy. 807078A6
2 Spacer 6" 807477A2
2 Gasket-Fresh Water 27-860231
2 Gasket-Raw Water 27-863724
2 Gasket 27-863726
2 Gasket 27-46820
8 Screw 10-12244
8 Screw 10-43749
2 Hose Fitting w/ Drain Plug Kit 22-806926A1

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