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Risers, Elbows & acces. for Mercruiser Inboards
| Code / Price | Name / Description |
| BAR20-0097 $89.25 Quantity in Basket: none |
Spacer, 3" Exhaust
3 inch high spacer that is used on "Barr Style" center riser manifolds. It goes between the riser and the manifold, and is capable of being stacked if more than 3 inches is needed. |
| BAR20-0099 $59.50 Quantity in Basket: none |
Spacer, Exhaust, 2" Barr
2" High Spacer for the following Barr Style Manifolds and Risers: GLM56110 GLM56140 GLM56230 GLM56240 GLM56250 OSC2018 OSC992 OSC99204 OSC994 OSCCW994 OSCFL994 
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| BARMC-20-14478 $59.95 Quantity in Basket: none |
Elbow Tube, Mercruiser V6, V8, 4" Exhaust
 A 4" Exhaust Tube made of Cast Iron, Goes between upper and lower exhaust bellows on 4 inch Mercruiser V6/V8 exhaust systems. Fits Mercruiser Model 175-205 V6, GM 229/262 CID (1983-2005) Mercruiser Model 200-320, V8 Small Block GM 305/350/377 CID (1983 and newer) Mercruiser Models 330-370 V8 Big Block GM 454/502 CID (1981 and newer) Replaces OEM: 14478T01
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| BARMC-20-93320A3 $160.95 Quantity in Basket: none |
Block Kit, 3" Spacer, Mercruiser V6 and V8
Direct replacement 3" riser blocks (pair) with fastener and gasket package 3" Spacer Block Kit fits Mercruisers with Center rise manifolds (OSC9011 and OSC7114B) Ordinarily for 1983 and up (some exceptions apply) NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems. |
| BARMC-20-93322A3 $189.95 Quantity in Basket: none |
Block Kit, Riser, 6" Spacer, Mercruiser V6 & V8
Direct replacement 6" riser blocks (pair) with fastener and gasket, package 6" Spacer Block Kit fits Mercruisers with Center rise manifolds (OSC9011 and OSC7114B) Ordinarily for 83 and up (some exceptions apply) NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems.
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| BARMC20-72963 $181.90 Quantity in Basket: none |
Riser, Exhaust, Mercruiser V8 Log Style
This riser was used on some mercruiser inboard applications with the log style manifolds. It fit models 225, 250, 255, 270, and 280, all with Chevrolet small block and big block engines. It fits and BARMC1-47737 manifolds, uses GLM31480 gaskets
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| BARMC20-76668 $206.55 Quantity in Basket: none |
Riser, Exhaust, Mercruiser V8 Log Style
Exhaust Riser for Mercruiser Sterndrive V8 Models 225, 250, 255, 270 and 280 with Log Style exhaust manifolds, fits and BARMC1-47737 manifolds, uses GLM31480 gaskets
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| GLM50305 $109.99 Quantity in Basket: none |
Spacer, Aluminum, 3 inch, Mercruiser V6, V8
Aluminum 3" Riser Block (Spacer) Fits Mercruisers with Aluminum Center Rise Manifolds(HGE7114ALUM and HGE9011ALUM Ordinarily 1983 and up (some exceptions apply) NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems. |
| GLM50310 $149.00 Quantity in Basket: none |
Riser Kit (Spacer Kit), Riser Extension Kit, Mercruiser 4 Inch Exhaust
Riser Kit for Mercruiser with 3" or 4" exhaust Cast Iron with gaskets and mounting hardware (as pictured) Spacer Height is 3" OEM: 93320A5 |
| GLM50610 $229.95 Quantity in Basket: none |
Exhaust Spacer Kit 6", Mercruiser Center Rise
6" Spacer Kit used with Mercruiser Center riser Manifolds (GLM51240 and GLM51230) from 1983-present on V-6 & V-8 applications. The kit comes complete with all hardware and gaskets.
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| GLM50750 $79.95 Quantity in Basket: none |
Elbow Tube, Mercruiser V6, V8, 4" Exhaust
4" Exhaust Tube made of Aluminum, Goes between upper and lower exhaust bellows on 4 inch Mercruiser V6/V8 exhaust systems. Fits Mercruiser Model 175-205 V6, GM 229/262 CID (1983-2005) Mercruiser Model 200-320, V8 Small Block GM 305/350/377 CID (1983 and newer) Mercruiser Models 330-370 V8 Big Block GM 454/502 CID (1981 and newer) Replaces OEM: 14478T01 GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
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| GLM51110 $100.99 Quantity in Basket: none |
Exhaust Riser 3", Mercruiser Style V6, V8
Exhaust Riser (Elbow) used on Mercruiser V-6 & V-8 with 3" center riser manifolds from 1983-1986. It has a 3.0" outlet and a 15° down angle. This item replaces Merc. # 98504A3. GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
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| GLM51130 $99.95 Sorry, GLM51130 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Elbow 2-piece 3" 90°, Mercruiser Inline 4 & 6 Cylinder
Exhaust Elbow Assembly 3" 90 Degree Angle For a Mercruiser: MCM/MIE 470 244 CID 4 Cylinder. (1976-82); 120/140 GM 153/181 CID 4 Cylinder. (1982-95); 165/200 GM 250/292 CID Inline 6 Cylinder. (1969-81). This item replaces Merc. OEM: 76325A2. GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
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| GLM51140 $129.95 Sorry, GLM51140 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Riser 4", Mercruiser Style V6, V8
cast iron Exhaust Riser For Mercruisers. It comes with the Riser and the mounting bolts. It is used on all Mercruiser Center riser applications (V6 & V8) with a 4" riser. Generally any from 1986 & up. Note: 1986 was a Transition Year, and some applications had 3" risers. GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! NOTE: This riser WILL NOT FIT Dry Joint Exhaust Systems.
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| GLM51160 $109.95 Sorry, GLM51160 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Riser, Mercruiser 2 Bolt GM 4 Cylinder
Exhaust Riser, 2-Bolt. It Fits 1982-1985 Mercruiser Model 120/140 GM 153/181 4 Cyl. 1990 and newer Mercruiser Model 3.0LX/3.0L GM 181 4 Cyl. GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
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| GLM51180 $189.95 Sorry, GLM51180 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Elbow with Reservoir for Aluminum Manifold, Mercruiser 3.7L
Riser for a Mercruiser. It is used on a 3.7L 4-cylinder with an Aluminum Manifold. It comes with the Mercruiser 22-13234A1 Pressure Cap Fitting Kit and uses OSC8561-G riser gasket. GLM Aluminum Manifolds and Risers come with a 3-year warranty (PDF)! |
| GLM56140 $99.00 Sorry, GLM56140 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Riser, Barr 4" (99204 Style)
Exhaust Elbow 4" 10° Fits Barr/Indmar Ford Small Block V8 5.0/5.8L 302/351 CID; Barr/Indmar/Marine Power GM Small Block V8 5.0/5.7L 305/350 CID; Barr/Indmar/Marine Power GM Big Block V8 7.4/8.2L 454/502 CID OEMs: 20-0100 (Barr); 0992-593 (Indmar) GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
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| HGE4354 $109.00 Sorry, HGE4354 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Riser, 4", Mercruiser Center
Riser, 4" exhaust outlet, 7° down angle, fits Mercruiser Center Exhaust 1986 and later Replaces: AP5706; OSC4354; MC-20-44354; MP0992-400 NOTE: This riser WILL NOT FIT Dry Joint Exhaust Systems. HGE Cast Iron Manifolds and Risers come with a 3-year warranty! |
| HGE4354ALUM $149.00 Sorry, HGE4354ALUM is temporarily backordered. Please check back later. Quantity in Basket: none |
Aluminum Exhaust Riser, 4", Mercruiser Center
Aluminum Riser, 4" exhaust outlet, 7° down angle, fits Mercruiser Center Exhaust 1986 and later Replaces: AP5706; OSC4354; MC-20-44354; MP0992-400 NOTE: This riser WILL NOT FIT Dry Joint Exhaust Systems. HGE Manifolds and Risers come with a 3-year warranty! |
| MER11086T $159.95 Quantity in Basket: none |
Elbow, Exhaust Port, Mercruiser
Exhaust Pipe, Port Riser to Y that will fit most Mercruiser Small block GM V8 engines from 1983 to 2001. A genuine Mercruiser Part. |
| MER14343T $169.95 Quantity in Basket: none |
Exhaust Elbow Extension, 4"-Starboard, Mercruiser V6, V8
Starboard Exhaust Elbow for V6 and V8 with 4" Exhaust |
| MER14478T01 $189.95 Quantity in Basket: none |
Elbow, Exhaust, Mercruiser V6
Exhaust Elbow for Mercruiser GM 4.3L V6 applications |
| MER14801A1 $329.00 Quantity in Basket: none |
Riser Blackext Install Kit, Mercruiser V8 with riser spacer
Riser Blackext Install Kit for use in V8 with 3" or 6" Spacer Blocks - QuickSilver EOM Mercury/Mercruiser Part: 14801A 1 Sold in pairs only. Replaces: 14801A 1 |
| MER14865A1 $249.00 Quantity in Basket: none |
Riser Blackext Install Kit, Mercruiser V6 with riser spacer
Riser Blackext Install Kit for use in V6 with 3" or 6" Spacer Blocks - QuickSilver EOM Mercury/Mercruiser Part: 14865A 1 Sold in pairs only. Replaces: 710-14865A 1 |
| MER17833A1 $89.95 Quantity in Basket: none |
Riser Spacer Assembly, Mercruiser, 1.25 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 applications |
| MER41802 $6.95 Quantity in Basket: none |
O-Ring Exhaust Seal, Mercruiser Transom
an O-Ring Exhaust Seal used on Mercruiser Sterndrives. It goes from the exhaust Y pipe to the Exhaust outlet at the transom. A Genuine Mercruiser part. |
| MER42422A1 $139.95 Quantity in Basket: none |
Exhaust Pipe, Lower , Mercruiser 3.0L 88-Up
Lower exhaust pipe for Mercruiser 3.0L Engines, (1988 -up) Fits between Riser and lower exhaust pipe on Drive 4" diameter X 3" diameter |
| MER72963A9 $199.00 Quantity in Basket: none |
Riser, Exhaust, Mercruiser V8 Log Style
Exhaust Riser for Mercruiser inboard V8 Models 225, 250, 255, 270 and 280 with Log Style exhaust manifolds, fits and BARMC1-47737 manifolds, uses GLM31480 gaskets
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| MER807130A4 $459.00 Quantity in Basket: none |
Y-Pipe, Mercruiser
Exhaust Bullhorn Kit Required kit for the MHP 500 Carburetor and 500 Bulldog engines. Used in conjunction with Exhaust Elbow Kit (MER849196A 1) |
| MER807153T $169.95 Quantity in Basket: none |
Intermediate Exhaust Pipe, Mercruiser 5.7L, 6.2L
Elbow 4" to 3" Exhaust Pipe Fits Mercruiser 5.7L, 6.2L engines |
| MER861776A2 $51.95 Quantity in Basket: none |
Exhaust Block Off Plate, Mercruiser
Plate-Block Off Fits Alpha/Bravo V6 and V8 GM Mercruiser |
| OSC0879 $189.00 Quantity in Basket: none |
Exhaust Elbow with Reservoir for Cast Iron Manifold, Mercruiser 3.7L
Riser for a Mercruiser. It is used on a 3.7L 4-cylinder with a Cast Iron Manifold. It comes with the pressure cap and uses OSC0879-G riser gasket Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC1851 $59.95 Quantity in Basket: none |
Exhaust Spacer, 3", Mercruiser Log
3" Spacer used on Mercruisers with Log Style Manifolds. It goes between the Manifold & the Riser. It fits OSC7234B, OSC7235B, OSC5603 & OSC5604 manifolds, uses OSC6351-G gaskets
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| OSC2076 $129.00 Quantity in Basket: none |
Exhaust Riser Mercruiser 2 Bolt 4 Cylinder. GM
Riser for Mercruiser 4 cyl. MR & Alpha One with 2-bolt risers, uses OSC6351-G gaskets Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC3320 $59.95 Quantity in Basket: none |
Exhaust Spacer, 3", Mercruiser C, R
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 fit OSC9745, OSC7114B & OSC9011 manifolds. It uses OSC8503-GR / OSC8503-GB / OSC8503-GO gaskets NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems.
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| OSC3322 $59.95 Quantity in Basket: none |
Exhaust Spacer, 6", Mercruiser C, R
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 center riser manifolds from 1983 and up. It will fit OSC9745, OSC7114B & OSC9011 manifolds. It uses OSC8503-GR / OSC8503-GB / OSC8503-GO gaskets. This item replaces Merc. # 93322. NOTE: This item WILL NOT FIT Dry Joint Exhaust Systems. |
| OSC4354 $119.00 Quantity in Basket: none |
Exhaust Riser, 4" Mercruiser
4" Riser for a Mercruiser. It will fit all V-6 & V 8 GM Engines with a Center Riser Exhaust from 1987 & Up. This riser fits OSC9745, OSC7114B & OSC9011 manifolds. It uses OSC8503-GR / OSC8503-GB / OSC8503-GO gaskets . This riser replaces Merc. # 44354, 807914, 807988A03 and 807988. NOTE: This riser WILL NOT FIT Dry Joint Exhaust Systems. Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC54870 $18.95 Quantity in Basket: none |
Manifold End Plate, Rear, Mercruiser
End Plate for an Exhaust Manifold on a Mercruiser. It is a Plain End Plate and does not have a Hose Bib. It is used on some GM inline 6 engines, plus small block Ford & GM V-8 engines. The gasket for it is OSC48043. It will fit the following manifolds: OSC7234B, OSC7235B, OSC5603, OSC5604 manifolds & many 4 cyl. Applications without water fittings.
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| OSC5538 $99.00 Quantity in Basket: none |
Exhaust Riser, Mercruiser 120 Models prior to 83
Exhaust Riser for a Mercruiser. It will fit the early model 120 prior to 1983, and the 160 inline 6. It will fit the following manifolds: OSCME153-LS & OSCME153-LR manifolds. It uses OSC5538-G gaskets. This item replaces Merc. # 39920, 55538. Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC60252 $28.95 Quantity in Basket: none |
Manifold End Plate, Mercruiser
End Plate for Mercruiser V8 Log Style manifolds. This plate has a Hose Bib, and uses mounting kit OSC60252-MK. End Plate fits OSC7234B, OSC7235B, OSC5603, OSC5604 manifolds & many 4 cyl. Applications with water fittings. This item replaces Merc. oem # 60252.
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| OSC6325 $128.00 Quantity in Basket: none |
Exhaust Riser, Mercruiser Inline 4-6 Cyl. with Cast Iron Manifold
Riser for a Mercruiser application. It has a 3.0" exhaust outlet and a 90° down angle. It fits inline 4 cylinder 181 cid 3.0L and inline 6 cylinder, and uses mounting kit OSC6325-MK. This item replaces Merc. oem # 76325. Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC6351 $119.95 Quantity in Basket: none |
Exhaust Riser, Mercruiser I-O Rear Riser
Riser for Mercruiser I/O with rear riser, fits OSC7234B, OSC7235B, OSC5603, OSC5604 manifolds, uses OSC6351-G gaskets Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC6771 $129.00 Quantity in Basket: none |
Exhaust Riser, Mercruiser V8 Log Style
Exhaust Riser for Mercruisers. It was used on both Ford & GM V8 engines with log style manifolds prior to 1983. It was also used on some inline GM 6 cylinders. This Riser was used on straight inboards. The riser mounting kit is OSC6371-MK. Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC8502 $99.00 Quantity in Basket: none |
Exhaust Riser, 0° 3" Mercruiser V8, V6
Riser for a Mercruiser. It has a 3.0" outlet with 0° degree down angle and is used on Center Riser applications for V6 & V8 engines. This riser is generally used with inboard applications. This Riser uses OSC8503-GR/ OSC8503-GB / OSC8503-GO Gaskets Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC8503A $95.00 Quantity in Basket: none |
Exhaust Riser, Mercruiser 98504A3
3.0" Riser for a Center Riser Manifold on a Mercruiser Sterndrive. It has a 3.0" outlet and a 15° down angle. This was used from 1883 thru 1986 on V6 & V8 engines. It will fit OSC9745, OSC7114B, & OSC9745 manifolds. This Riser uses OSC8503-GR/ OSC8503-GB / OSC8503-GO Gaskets NOTE: This riser WILL NOT FIT Dry Joint Exhaust Systems. Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC8561 $189.00 Quantity in Basket: none |
Exhaust Elbow with Reservoir for Mercruiser 3.7L with Aluminum Manifold
Elbow/Reservoir used on a Mercruiser application. It is used on a 3.7L with an aluminum manifold. This riser comes with the reservoir cap, and uses OSC8561-G riser gasket, or mounting kit OSC8561-MKL. This item replaces Merc. oem # 98561. Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC992 $109.00 Quantity in Basket: none |
Riser, Barr Style (Mercruiser, Volvo) GM 305 5.0L, 350 5.7L V8
Barr Style Riser for Barr Style Manifolds. This riser has a 3.0" outlet at a 10° down angle. It will fit GM small block manifold OSC994, Ford Barr style manifold OSCFL994, and GM big block manifold # CW994. The mounting kit is OSC992MK for raw water cooling (no heat exchanger), and OSC992MK-FW for fresh water cooling (with heat exchanger). Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC99204 $99.00 Quantity in Basket: none |
Riser, Barr Style 4" Mercruiser
Barr Style Riser for Barr Style Manifolds. This riser has a 4.0" outlet at a 10° down angle. It will fit GM small block manifold OSC994, , Ford Barr style manifold OSCFL994, and GM big block manifold OSCCW994. The mounting kit is OSC992MK for raw water cooling (no heat exchanger), and OSC992MK-FW for fresh water cooling (with heat exchanger). Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSC994S3 $74.95 Quantity in Basket: none |
Spacer, 3" Exhaust
3" Spacer Block (complete with 3/4" NPT pipe plug) capable of stacking Fits the following manifolds: OSC994; OSCCW994; OSCFL994 Fits the following Risers: OSC992; OSC99204; OSC2018 Fits Mercruiser: V8 Models 188, 215, 225, 233, 255, 302, 351 and 888 All Years Center Riser Generic V8 Models 325, 330, 340 and 350 Inboard and Stern-Drive Units Center Riser Generic V8 Models 190, 198, 225, 250, 270, 228, 898, 260, 255 and 280 Inboard and Stern-Drive Units Center Riser Generic Fits Crusader: V8 - 427 and 454 CID All Models Inboard Center Riser Generic Fits Chris Craft V8 - 454 CID Center Riser Generic Fits Indmar: V8 - 427 and 454 CID All Models Inboard Center Riser Direct Replacement
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| OSCCRR-1 $95.00 Quantity in Basket: none |
Riser, Exhaust, Mercruiser, 10° Down Angle
3.0" Riser for an Osco generic manifold. It has a 3.0" outlet with a 10° down angle. It will fit on Ford small block manifold OSCFLCR818, GM small block OSCCVCR818, and GM big block OSCCWCR818. The mounting kit is OSCCRR-MK for Raw water cooling (without heat exchanger), and OSCCRR-MK-FW with Fresh water cooling (with heat exchanger). Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSCCRR-3 $95.00 Quantity in Basket: none |
Riser, Exhaust, Mercruiser, 30° Down Angle
Riser, 3" exhaust outlet, 30º down angle for Mercruiser. fits OSCCVCR818 & OSCFLCR818 manifolds (6-bolt with 3" outlet), uses OSCCRR-G gaskets Osco Manifolds and Risers come with a 3-year warranty (PDF)!
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| OSCMWF $13.95 Quantity in Basket: none |
Rear End Plate for Manifold, Mercruiser
Rear End Plate fits OSCME153-LS, OSCME153-LR Manifolds
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| OSCMWS $15.95 Quantity in Basket: none |
Front End Plate, Manifold, Mercruiser
Rear End Plate fits OSCME153-LS, OSCME153-LR Manifolds
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