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177 Fulford Dr.
Harkers Island, NC 28531
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Exhaust Spacers, Blocks


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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 center riser manifolds from 1983 and up. It will...

$59.95

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Replacement Available

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 Inches. Does not fit Center Rise Exhaust Systems!!! It...

$59.95

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Replacement Available

BARMC-20-93322A3


Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise BARMC-20-93322A3

Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise BARMC-20-93322A3

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 riser to maintain a downward exhaust slope....

$189.95





GLM50610


Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise GLM50610

Riser Extension Block Exhaust Spacer Kit 6 Inch Mercruiser Center Rise GLM50610

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 a downward exhaust slope. (GLM51240 and GLM51230)...

$251.95

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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 FIT Dry Joint Exhaust Systems. Click here if you...

$644.95




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 downward exhaust slope. Cast Iron with gaskets and...

$149.00

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Replacement Available


BARMC-20-93320A3


Riser Extension Spacer Block Kit for Mercruiser 3 Inch High 93320a13 BARMC-20-93320A3

Riser Extension Spacer Block Kit for Mercruiser 3 Inch High 93320a13 BARMC-20-93320A3

Spacer Riser block kit used on Mercruiser applications 1983-2002. Fits goes between the manifold and the riser elbow. Includes mounting gaskets and studs for raw water cooling and 3 or 4 inch exhaust...

$179.95




BARMC20-864908A1


Riser Extension Spacer Block Kit for Mercruiser 6 Inch Dry Joint 864908A1 BARMC20-864908A1

Riser Extension Spacer Block Kit for Mercruiser 6 Inch Dry Joint 864908A1 BARMC20-864908A1

Dry Joint 6" Riser Spacer Kit Application for dry joint exhaust manifolds. Replaces Mercruiser: 864908A1 How to determine if you have Dry-Joint Exhaust Spacer Kits have a $6.00 shipping and...

$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 goes between the Riser and the Manifold on the above...

$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 & 377 cid) non-EC engines (s/n 0W310000 and up)...

$569.00




BARMC20-864929A3


Riser Spacer Exhaust Kit 3 Inch Dry Joint Exhaust V6 V8 Mercruiser 864929A3 BARMC20-864929A3

Riser Spacer Exhaust Kit 3 Inch Dry Joint Exhaust V6 V8 Mercruiser 864929A3 BARMC20-864929A3

Dry Joint 3 Inch Riser Spacer Kit Application for dry joint exhaust manifolds only. Replaces Mercruiser: 864929A3 . The bolts in this kit only work with the 14 degree riser. How to determine if you...

$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 Included but they do include gaskets for the top and...

$249.95





BARMC-20-61811A4


Riser Spacer Extension Block 3 Inch Mercruiser V8 Long Log Style 61811A4 BARMC-20-61811A4

Riser Spacer Extension Block 3 Inch Mercruiser V8 Long Log Style 61811A4 BARMC-20-61811A4

Manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs For use with BARMC1-47735, BARMC1-47736, BARMC1-47737 and BARMC1-47738 Manifolds.

$179.95




BARMC-20-61851A2


Spacer Kit Riser 3 Inch for Mercruiser Log Style GM & Ford Small Block V8 BARMC-20-61851A2

Spacer Kit Riser 3 Inch for Mercruiser Log Style GM & Ford Small Block V8 BARMC-20-61851A2

Manifold to riser 3" spacers (sold in pairs). Includes all mounting hardware, gaskets and drain plugs For use with OSC7234B, OSC7235B, OSC5603 and OSC5604 Manifolds. Fits Mercruiser GM V8...

$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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Basic Power Industries, Inc.• 177 Fulford Dr, Harkers Island, NC 28531-9520, US • +1-252-504-3355