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Marine Manifolds

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Boat Bits supplies high quality marine manifolds including Stainless Marine Manifolds and Cast Marine Manifolds.  Choose from a wide range of marine manifolds available in a single click.

Items 1-36 of 151

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  1. -43%
    Mercruiser 2 items 11086T 14343T good used
    Special Price A$400.00 Regular Price A$700.00
    Rating:
    0%

    Mercruiser 2 items 11086T 14343T good used

  2. Inlet Manifold Cast Good USED early GM small block
    A$585.00
    Rating:
    0%

    Inlet Manifold Cast Good USED early GM small block

  3. -98%
    Dash and harness
    Special Price A$20.00 Regular Price A$1,000.00
    Rating:
    0%

    Mercruiser 470 good used parts

  4. -13%
    Marine manifolds Mercruiser suit late Model 3.0L 181CID 18-1966
    Special Price A$699.00 Regular Price A$800.00
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    0%

    Marine manifolds Mercruiser suit late Model 3.0L 181CID 18-1966

  5. Marine manifolds Mercruiser V6 Dry Joint Replacement Manifold suit 4.3L (262 CID) V6 Port and Starboard MC-1-864612
    A$625.00
    Rating:
    0%

    Marine manifolds Mercruiser V6 Dry Joint Replacement Manifold suit 4.3L (262 CID) V6 Port and Starboard MC-1-864612

  6. -6%
    Inlet Manifold 8 bolt Vortec 18-7628 small blockGM
    Special Price A$1,450.00 Regular Price A$1,539.20
    Rating:
    0%

    Inlet Manifold 8 bolt Vortec 18-7628 small blockGM

  7. -36%
    Mercruiser Riser S/Steel genuine 865332a01 2 items
    Special Price A$800.00 Regular Price A$1,232.00
    Rating:
    0%

    Mercruiser Riser S/Steel genuine 865332a01 2 items

  8. -12%
    Inlet Manifold 8 bolt small blockGM
    Special Price A$775.00 Regular Price A$875.00
    Rating:
    0%

    Inlet Manifold 8 bolt small blockGM

  9. -27%
    Marine manifolds Dry joint exhaust Mercruiser replacement
    Special Price A$650.00 Regular Price A$890.00
    Rating:
    0%

    Marine manifolds Dry joint exhaust Mercruiser replacement

  10. -7%
    333297
    Special Price A$175.00 Regular Price A$188.00
    Rating:
    0%

    Marine exhaust outlets Stainless Steel

  11. -11%
    Sierra Boat marine Riser suit most Mercruiser V6 & V8 applications replaces 44354a3 18-1976-2
    Special Price A$295.00 Regular Price A$330.00
    Rating:
    0%

    Sierra Boat marine Riser suit most Mercruiser V6 & V8 applications replaces 44354a3 18-1976-2

  12. Riser suit late model Mercruiser 4Cyl Engines18-1975-1
    Special Price A$440.00 Regular Price A$480.00
    Rating:
    0%

    Riser suit late model Mercruiser 4Cyl Engines18-1975-1

  13. -25%
    Marine manifolds Mercruiser Manifold suit most GM V8 big block with center riser 18-1957-1
    Special Price A$425.00 Regular Price A$565.00
    Rating:
    0%

    Marine manifolds Mercruiser Manifold suit most GM V8 big block with center riser 18-1957-1

  14. -19%
    Marine manifolds Mercruiser suit most late Model 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1956-2
    Special Price A$599.00 Regular Price A$735.00
    Rating:
    0%

    Marine manifolds Mercruiser suit most late Model 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1956-2

  15. -51%
    Marine manifolds18-1954-1 Manifold suit most early Model 2.5L 153CID & 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1954-1
    Special Price A$550.00 Regular Price A$1,110.00
    Rating:
    0%

    Marine manifolds18-1954-1 Manifold suit most early Model 2.5L 153CID & 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1954-1

  16. Marine manifolds suit most late Model 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1955-1
    Special Price A$999.00 Regular Price A$1,049.00
    Rating:
    0%

    Marine manifolds suit most late Model 3.0L 181CID (for Rochester 5 bolt Pattern) 18-1955-1

  17. -7%
    SUPER SPECIAL
    Special Price A$375.00 Regular Price A$399.00
    Rating:
    0%

    Marine manifolds Mercruiser style Sierra small block center riser replaces 87114A19 and 860246A10

  18. Marine Risers manifolds Mercruiser Replacement suit 4.3L (262 CID) V6 Port and Starboard 18-1952-1
    A$390.00
    Rating:
    0%

    Marine Risers manifolds Mercruiser Replacement suit 4.3L (262 CID) V6 Port and Starboard 18-1952-1

  19. -11%
    Marine manifolds suit Mercruiser small blocks with end riser 18-1951-1 18-1950-1
    Special Price A$625.00 Regular Price A$700.00
    Rating:
    0%

    Marine manifolds suit Mercruiser small blocks with end riser 18-1951-1 18-1950-1

  20. Marine manifolds Center Riser Manifold suit GM283, 305, 307 and 350 CID 18-1997-1
    A$455.84
    Rating:
    0%

    Marine manifolds Center Riser Manifold suit GM283, 305, 307 and 350 CID 18-1997-1

  21. -13%
    Marine manifolds Center Riser Manifold suit Ford 302 and 351 18-1998-1
    Special Price A$435.00 Regular Price A$495.00
    Rating:
    0%

    Marine manifolds Center Riser Manifold suit Ford 302 and 351 18-1998-1

  22. -20%
    SIERRA 18-4224 MERCRUISER 22-806926A1 DRAIN ELBOW
    Special Price A$18.00 Regular Price A$22.50
    Rating:
    0%

    SIERRA 18-4224 MERCRUISER 22-806926A1 DRAIN ELBOW

  23. Y fittings plumbing composite
    A$19.00
    Rating:
    0%

    Y fittings plumbing composite

  24. Marine manifolds Risers kit small block V8 to suit Mercruiser Generic
    Special Price A$1,525.00 Regular Price A$1,995.00
    Rating:
    0%

    Marine manifolds Risers kit small block V8 to suit Mercruiser Generic

  25. -36%
    Marine manifolds DRY Joint Manifolds Risers kit small block V8 to suit Mercruiser generic
    Special Price A$1,800.00 Regular Price A$2,800.00
    Rating:
    0%

    Marine manifolds DRY Joint Manifolds Risers kit small block V8 to suit Mercruiser generic

  26. -15%
    Dry Joint Elbow 6" Riser mercruiser MC-20-864309
    Special Price A$510.00 Regular Price A$595.44
    Rating:
    0%

    Dry Joint Elbow 6" Riser mercruiser MC-20-864309

  27. -23%
    Turbo V clamps 75mm 89505K S/Steel
    Special Price A$45.00 Regular Price A$58.30
    Rating:
    0%

    Turbo V clamps 75mm 89505K S/Steel

  28. IN BOX QUANTITY
    A$275.00
    Rating:
    0%

    Stainless steel Hose Clamps 16mm to 178mm BOX LOTS

  29. -5%
    Marine manifolds Volvo OMC Sierra V6 center riser type manifold 18-1848 port and starboard
    Special Price A$399.00 Regular Price A$418.00
    Rating:
    0%

    Marine manifolds Volvo OMC Sierra V6 center riser type manifold 18-1848 port and starboard

  30. -14%
    Mercruiser exhaust flap 807166A1 or G807166A1
    Special Price A$65.00 Regular Price A$75.00
    Rating:
    0%

    Mercruiser exhaust flap 807166A1 or G807166A1

  31. -9%
    Mercruiser exhaust flap 18-2727 replaces 60930 9-42800
    Special Price A$59.50 Regular Price A$65.00
    Rating:
    0%

    Mercruiser exhaust flap 18-2727 replaces 60930 9-42800

  32. Mercruiser exhaust flap 18-2733 replaces 99370A2 9-42801
    A$46.70
    Rating:
    0%

    Mercruiser exhaust flap 18-2733 replaces 99370A2 9-42801

  33. Mercruiser exhaust flap 18-2732 replaces 807166A3 9-42802
    A$97.00
    Rating:
    0%

    Mercruiser exhaust flap 18-2732 replaces 807166A3 9-42802

  34. Dry Joint Elbow 8" Riser BARR replace mercruiser 864591T02 MC-20-864591
    A$595.44
    Rating:
    0%

    Dry Joint Elbow 8" Riser BARR replace mercruiser 864591T02 MC-20-864591

  35. Boat Exhaust flaps 2 sizes rwb218A rwb 218B
    A$18.48
    Rating:
    0%

    Boat Exhaust flaps 2 sizes rwb218A rwb 218B

  36. -6%
    Chrysler 318 360 manifold riser 20deg 18-1946
    Special Price A$425.00 Regular Price A$450.00
    Rating:
    0%

    Chrysler 318 360 manifold riser 20deg 18-1946

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