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177 Fulford Dr.
Harkers Island, NC 28531
(252) 504-3355
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Exhaust Spacers, Blocks

OSC3320


Block Riser Extension Exhaust Spacer 3 Inch for Mercruiser Center Rise 83-03

Block Riser Extension Exhaust Spacer 3 Inch for Mercruiser Center Rise 83-03

3" spacer used on Mercruiser applications. It goes between the manifold and the riser elbow. This item is used on all V6 and V8 Mercruisers with...

$59.95
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OSC1851


Exhaust Spacer Riser Block Extension 3 Inch Mercruiser Log End Riser Osco 1851

Exhaust Spacer Riser Block Extension 3 Inch Mercruiser Log End Riser Osco 1851

3" Spacer used on Mercruisers with Log Style Manifolds. It goes between the Manifold & the Riser. The riser mounting pad is 3-3/4 x 4...

$59.95
... more info
Replacement Available

OSC3322


Exhaust Spacer, 6" for Mercruiser Center Riser

Exhaust Spacer, 6" for Mercruiser Center Riser

6" spacer used on Mercruiser applications. It goes between the manifold and the riser elbow. This item is used on all V6 and V8 Mercruisers with...

$59.95

BARMC-20-93322A3


Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise

Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise

Exhaust Riser Spacer Block Kit 6 Inch used on Mercruiser Center riser Manifolds 1983-2002 V6 V8 Applications. Used to raise the height of the exhaust...

$189.95

GLM50610


Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise

Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise

6 Inch Spacer Kit used with Mercruiser Center riser Manifolds 1983-2002 V6 V8 Applications. Used to raise the height of the exhaust riser to maintain...

$251.95
... more info
Replacement Available

MER864929A3


Riser Extension Kit, 3 Inch, Mercruiser Dry Joint Exhaust

Riser Extension Kit, 3 Inch, Mercruiser Dry Joint Exhaust

Dry Joint 3" Riser Kit Application for dry joint exhaust manifolds. How to determine if you have Dry-Joint Exhaust NOTE: This manifold kit WILL...

$644.95

BARMC-20-93320A3


Riser Extension Spacer Block Kit for Mercruiser 3 Inch High 93320a13

Riser Extension Spacer Block Kit for Mercruiser 3 Inch High 93320a13

Spacer Riser block kit used on Mercruiser applications 1983-2002. Fits goes between the manifold and the riser elbow. Includes mounting gaskets and...

$179.95

BPI50310


Riser Extension Spacer Block Kit for Mercruiser 3 Inch High 93320A13

Riser Extension Spacer Block Kit for Mercruiser 3 Inch High 93320A13

Riser Extension Kit for Mercruiser 3 Inches high for use with 4 Inch exhaust riser. This is used to raise the level of the exhaust riser to keep a...

$149.00
... more info
Replacement Available

BARMC20-864908A1


Riser Extension Spacer Block Kit for Mercruiser 6 Inch Dry Joint 864908A1

Riser Extension Spacer Block Kit for Mercruiser 6 Inch Dry Joint 864908A1

Dry Joint 6" Riser Spacer Kit Application for dry joint exhaust manifolds. Replaces Mercruiser: 864908A1 How to determine if you have Dry-Joint...

$379.95

OSC3320-MK


Riser Mounting Kit for Mercruiser

Riser Mounting Kit for Mercruiser

Mounting Kit For 3" Spacer with 3" Riser on Mercruiser Replaces: Barr # MC-20-93320A3P; GLM # 53331; Sierra # 18-8554; Mallory # 9-40582

$19.95

OSC3320-MK-X


Riser Mounting Kit for Mercruiser using 3 Inch Spacer Block and 4 Inch Riser

Riser Mounting Kit for Mercruiser using 3 Inch Spacer Block and 4 Inch Riser

Mounting Kit For 3" Spacer with 4" Riser on Mercruiser Replaces: Barr # MC-20-93320A3P; GLM # 53430; Sierra # 18-8555; Mallory # 9-40583

$22.95

OSC3322MK


Riser Mounting Kit, 6" for Mercruiser

Riser Mounting Kit, 6" for Mercruiser

Mounting Kit for 6" Spacer with 4" Riser on Mercruiser Replaces: Barr # MC-20-93322A3P; GLM # 53361; Sierra # 18-8556; Mallory # 9-40584

$7.95

MER8M0063742


Riser Spacer Assembly, Mercruiser, 1-1⁄4 inch

Riser Spacer Assembly, Mercruiser, 1-1⁄4 inch

Riser Spacer Assembly for Mercruiser Applications It fits 350 (EFI) GM V8 1988-1989 and 454 Mag. Bravo V8 1988-1992 This spacer is 1-1/4" tall and...

$139.95
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MER865995A01


Riser Spacer Block Kit, 1.7" Dry Joint Mercruiser Exhaust

Riser Spacer Block Kit, 1.7" Dry Joint Mercruiser Exhaust

Mercruiser 1.7" (43 mm) Exhaust Riser Kit for standard cooling and dry joint exhaust manifolds. Fits 2004 and newer MCM V-6 & V-8 (305, 350 &...

$569.00

BARMC20-864929A3


Riser Spacer Exhaust Kit 3 Inch Dry Joint Exhaust V6 V8 Mercruiser 864929A3

Riser Spacer Exhaust Kit 3 Inch Dry Joint Exhaust V6 V8 Mercruiser 864929A3

Dry Joint 3 Inch Riser Spacer Kit Application for dry joint exhaust manifolds only. Replaces Mercruiser: 864929A3 . The bolts in this kit only work...

$399.95

HGE4929PR


Riser Spacer Exhaust Kit 3 Inch for Dry Joint Exhaust V6 V8 Replaces 864929A3

Riser Spacer Exhaust Kit 3 Inch for Dry Joint Exhaust V6 V8 Replaces 864929A3

Dry Joint 3 Inch Riser Spacer Kit Works with V6 and V8 dry joint exhaust manifolds and risers only. Works with 7 or 14 Degree Riser. No Bolts...

$249.95

BARMC-20-61811A4


Riser Spacer Extension Block 3 Inch Mercruiser V8 Long Log Style 61811A4

Riser Spacer Extension Block 3 Inch Mercruiser V8 Long Log Style 61811A4

Manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs For use with BARMC1-47735, BARMC1-47736,...

$179.95

BARMC-20-61851A2


Spacer Kit Riser 3 Inch for Mercruiser Log Style GM & Ford Small Block V8

Spacer Kit Riser 3 Inch for Mercruiser Log Style GM & Ford Small Block V8

Manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs For use with OSC7234B, OSC7235B, OSC5603...

$169.95

OSC1851MK


Spacer Mounting Kit for Mercruiser OSC1851

Spacer Mounting Kit for Mercruiser OSC1851

Spacer mounting kit fits Osco # 1851 Spacer

$19.95
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