basic power industries
177 Fulford Dr.
Harkers Island, NC 28531
(252) 504-3355

Exhaust Spacers, Blocks


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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. It fits Osco # 7234B, Osco # 7235B, Osco # 5603 & Osco # 5604 manifolds, uses Osco #...

$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

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)...

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

$251.95





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




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

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...

$183.95

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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 Kit Application for dry joint exhaust manifolds. Replaces Mercruiser: 864908A1 How to determine if you have Dry-Joint Exhaust NOTE: This spacer kit WILL FIT Dry Joint Exhaust...

$437.95





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

Riser Mounting Kit for Mercruiser

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





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

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

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

$409.00




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, BARMC1-47737 and BARMC1-47738 Manifolds.

$170.95





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 and OSC5604 Manifolds. Fits Mercruiser GM V8 Inboard and...

$170.95




OSC1851MK


Spacer Mounting Kit for Mercruiser OSC1851

Spacer Mounting Kit for Mercruiser OSC1851

Spacer mounting kit fits Osco # 1851 Spacer

$19.95




BAR20-0099


Spacer Riser Block Exhaust Extension 2 Inch Barr Indmar Marine Power

Spacer Riser Block Exhaust Extension 2 Inch Barr Indmar Marine Power

2" High Spacer for the following Barr Style Manifolds and Risers: GLM56110 GLM56140 GLM56230 GLM56240 GLM56250 OSC2018 OSC992 OSC99204 OSC994 OSCCW994 OSCFL994

$76.95







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