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Complete Manifolds, Risers, Gaskets, Bellows,
mounting hardware customized for your Mercruiser application
Exhaust Manifold Kits for Mercruiser
| Code / Price | Name / Description |
| BARBB4MERMK $659.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 454 7.4L, 502 8.2L V8 4"
Exhaust Manifold Kit for Mercruiser Big Block V8 GM 454/502 CID with 4" Center Rise exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - BARMC-20-44354 4" Risers, 2 - Riser Gaskets, 2 - BARMC-1-89011 Manifolds, 2 - Manifold Gaskets, and all necessary mounting hardware and plugs (as pictured) NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed 
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| BARSB4MERMK $499.00 Sorry, BARSB4MERMK is temporarily backordered. Please check back later. Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 4"
Exhaust Manifold Kit for Mercruiser Small Block V8 GM 305/350 CID 1987 & up with 4" exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - BARMC-20-44354 4" Risers, 2 - Riser Gaskets, 2 - BARMC-1-87114 Manifolds, 2 - Manifold Gaskets, and all necessary mounting hardware and plugs (as pictured) NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPI58992 $895.00 Quantity in Basket: none |
Manifold Conversion Kit, Mercruiser V6
Manifold Conversion Kit is designed to convert all Single Piece Exhaust Manifolds to the Center Riser Manifolds on V6 4.3L Engines with GM 262 CID Blocks from 1996 to 2000 that have Raw Water Cooling. Kit includes 2 Manifolds, 2 Risers, 2 Elbows, Exhaust Tubes, Gaskets, Hardware (as pictured) *Does NOT contain original exhaust tube (OEM: 32-807458T) to be used with original Y-Pipe. You may re-use original exhaust tube with this kit. Used to replace One-Piece manifold/risers like these:  Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Cast Iron Exhaust Parts come with a 3-Year Manufacturer's Warranty!
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| BPIBB3BAR $499.00 Quantity in Basket: none |
Manifold, Exhaust Kit, GM 454 7.4L, 502 8.2L V8 Barr 3"
Exhaust Manifold Kit for GM Big Block V8 454/502 CID Barr Style With 3" Exhaust This kit requires a 3" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC992 3" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSCCW994 Manifolds, 2 - OSCCW-GH Manifold Gaskets Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIBB3MER $579.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser 454 7.4L, 502 8.2L V8 3"
Exhaust Manifold Kit for Mercruiser Big Block V8 454/502 CID Center Riser with 3" exhaust This kit requires a 3" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC8503A 3" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9011 Manifolds, 2 - OSCCW-GH Manifold Gaskets NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIBB4BAR $559.00 Quantity in Basket: none |
Manifold, Exhaust Kit, GM 454 7.4L, 502 8.2L V8 Barr 4"
Exhaust Manifold Kit for GM Big Block V8 454/502 CID Barr Style With 4" Exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC99204 4" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSCCW994 Manifolds, 2 - OSCCW-GH Manifold Gaskets Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIBB4MER $629.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 454 7.4L, 502 8.2L V8 4"
Exhaust Manifold Kit for Mercruiser Big Block V8 454/502 CID Center Riser with 4" exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC4354 4" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9011 Manifolds, 2 - OSCCW-GH Manifold Gaskets NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIMANMERCHVI-B $729.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8, Inboard
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Chevy) Small Block V8 Inboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIMANMERCHVI-O $729.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8, Inboard, Outboard
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Chevy) Small Block V8 Inboard/Outboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIMANMERFRDI-B $699.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser Ford 302 5.0L, 351 5.8L V8, Inboard
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Ford) Small Block V8 Inboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIMANMERFRDI-O $699.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser Ford 302 5.0L, 351 5.8L V8, Inboard-Outboard
Complete Exhaust Manifold Kit Converts older log style manifolds to center rise design. Fits older Mercruiser (Ford) Small Block V8 Inboard/Outboards Includes: manifolds, risers, hardware thermostat housing, and Hoses. NOTE: Does not include Hose from transom to thermostat housing Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPISB3BAR $449.00 Quantity in Basket: none |
Manifold, Exhaust Kit, GM 305 5.0L, 350 5.7L V8 Barr 3"
Exhaust Manifold Kit for GM Small Block V8 305/350 CID Barr Style With 3" Exhaust This kit requires a 3" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC992 3" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSC994 Manifolds, 2 - OSCCV-GH Manifold Gaskets Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPISB3MER $469.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 3"
Exhaust Manifold Kit for Mercruisers with the Small Block V8 GM 305/350 CID Center Risers 1983-1986 with 3" exhaust This kit has 3 inch center risers, and was used from 1983 thru 1986 (partial). This kit includes: 2 - OSC7114B Manifolds, 2 - OSCCV-GH Manifold Gaskets, 2 - OSC8503A 3" Risers, 2 - OSC8503-GR Riser Gaskets This Kit will replace the Original Mercruiser equipment. NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPISB4BAR $459.00 Quantity in Basket: none |
Manifold, Exhaust Kit, GM 305 5.0L, 350 5.7L V8 Barr 4"
Exhaust Manifold Kit for GM Small Block V8 305/350 CID Barr Style With 4" Exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC99204 4" Risers, 2 - OSC992-G Riser Gaskets, 2 - OSC994 Manifolds, 2 - OSCCV-GH Manifold Gaskets Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPISB4MER $499.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 4"
Exhaust Manifold Kit for Mercruiser Small Block V8 GM 305/350 CID 1987 & up with 4" exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC4354 4" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC7114B Manifolds, 2 - OSCCV-GH Manifold Gaskets NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPISBF3BAR $459.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Ford 302 5.0L, 351 5.8L V8 3" Barr
Exhaust Manifold Kit For Barr Small Block Ford V8 302/351 CID with 3" Risers This kit requires a 3" I.D. Exhaust hose to be connected to the riser. Kit includes all manifolds risers and gaskets to replace exhaust on one engine -add $30 for mounting hardware -add $40 for 3-1/2" Riser option Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPISBF4BAR $499.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Ford 302 5.0L, 351 5.8L V8 4" Barr
Exhaust Manifold Kit For Barr Small Block Ford V8 302/351 CID with 4" Risers This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Kit includes all manifolds risers and gaskets to replace exhaust on one engine add $30 for mounting hardware Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIV63MER $579.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 3"
Exhaust Manifold Kit for Mercruiser V6 Before 1986 with 3" exhaust This kit requires a 3" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC8503A 3" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9745 Manifolds, 2 - OSCCS-GH Manifold Gaskets NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| BPIV64MER $629.00 Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 4"
Exhaust Manifold Kit for Mercruiser V6 1987 & up with 4" exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. This kit includes: 2 - OSC4354 4" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - OSC9745 Manifolds, 2 - OSCCS-GH Manifold Gaskets NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| GLM59223 $813.49 GLM59223 is not available, check back soon Quantity in Basket: none |
Exhaust Manifold Kit, Aluminum, Mercruiser GM 262 4.3L V6 3"
Aluminum Manifold/Riser Kit for GM V6 4.3L Mercruiser, 3" Exhaust Includes 2 aluminum risers, 2 aluminum manifolds, all gaskets and hardware shown GLM Aluminum Manifolds and Risers come with a 2-year warranty (PDF)!
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| GLM59225 $699.95 GLM59225 is not available, please check back. Quantity in Basket: none |
Exhaust Manifold Kit, Aluminum, Mercruiser GM 262 4.3L V6 4"
Aluminum Manifold/Riser Kit for GM V6 4.3L Mercruiser, 4" Exhaust Includes 2 aluminum risers, 2 aluminum manifolds, all gaskets and hardware shown GLM Aluminum Manifolds and Risers come with a 2-year warranty (PDF)!
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| GLM59235 $699.95 Sorry, GLM59235 is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Manifold Kit, Aluminum, Mercruiser GM 305 5.0L, 350 5.7L V8, 4"
Aluminum Manifold/Riser Kit for GM Small Block V8 Mercrusier, 4" Exhaust Includes 2 aluminum risers, 2 aluminum manifolds, all gaskets and hardware shown GLM Aluminum Manifolds and Risers come with a 2-year warranty (PDF)!
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| GLM59245 $659.00 Quantity in Basket: none |
Exhaust Manifold Kit, Aluminum, Mercruiser GM 454 7.4L, 502 8.2L V8, 4"
Aluminum Manifold/Riser Kit for GM Big Block V8 Mercruiser, 4" Exhaust Includes 2 aluminum risers, 2 aluminum manifolds, all gaskets and hardware shown GLM Aluminum Manifolds and Risers come with a 2-year warranty (PDF)!
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| GLMBB3MER $499.00 Quantity in Basket: none |
Exhaust Kit, Mercruiser, GM Big Block 3"
Exhaust Kit: Fits Mercruiser GM Big Block V8 with 3" Center Riser Exhaust. This kit requires a 3" I.D. Exhaust hose to be connected to the riser. Includes 2 GLM51240 Manifolds, 2 GLM51110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| GLMBB4BAR $429.95 Sorry, GLMBB4BAR is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Kit, Barr Style, GM Big Block 4"
This Exhaust Kit fits GM V8 Big Block with Barr Style 4" Center Riser Exhaust. This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 GLM56240 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. A Barr Style that has been used on many generic applications, and some Marine Power and Barr Engines. GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| HGE58992 $895.00 Sorry, HGE58992 is temporarily backordered. Please check back later. Quantity in Basket: none |
V6 Manifold Conversion Kit, Mercruiser
Manifold Conversion Kit is designed to convert all Single Piece Exhaust Manifolds to the Center Riser Manifolds on V6 4.3L Engines with GM 262 CID Blocks from 1996 to 2000 that have Raw Water Cooling. Kit includes 2 Manifolds, 2 Risers, 2 Elbows, Exhaust Tubes, Gaskets, Hardware *Does NOT contain original exhaust tube (OEM: 32-807458T) to be used with original Y-Pipe. You may re-use original exhaust tube with this kit. Used to replace One-Piece manifold/risers like these: Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Cast Iron Exhaust Parts come with a 3-Year Manufacturer's Warranty!
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| HGEBB4MER $539.00 Sorry, HGEBB4MER is temporarily backordered. Please check back later. Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 7.4L-454, 8.2L-502 V8 4"
Exhaust Manifold Kit which fits Mercruiser GM Big Block V8 with 4 " Center Riser Exhaust. This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 HGE9011 Manifolds, 2 HGE4354 Risers, Manifold Gaskets, Riser Gaskets and Mounting Hardware. NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. HGE Cast Iron Manifolds and Risers come with a 3-year warranty! Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| HGEBB4MER-ALUM $659.00 Quantity in Basket: none |
Aluminum Manifold, Exhaust Kit, Mercruiser GM 7.4L-454, 8.2L-502 V8 4"
Aluminum Exhaust Manifold Kit which fits Mercruiser GM Big Block V8 with 4" Center Riser Exhaust. This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 HGE9011ALUM Manifolds, 2 HGE4354ALUM Risers, Manifold Gaskets, Riser Gaskets and Mounting Hardware. NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. HGE Manifolds and Risers come with a 3-year warranty!
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| HGESB3MER $469.00 Sorry, HGESB3MER is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Kit, Mercruiser, GM Small Block V8 3 inch
This Exhaust Kit fits Mercruiser GM Small Block V8 with 3" Center Riser Exhaust. This kit requires a 3" I.D. Exhaust hose to be connected to the riser. Includes 2 HGE7114 Manifolds, 2 GLM51110 Risers, Manifold Gaskets, Riser Gaskets. Cast Iron Manifolds and Risers come with a 3-year manufacturer's warranty! Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| HGESB4MER $469.00 Sorry, HGESB4MER is temporarily backordered. Please check back later. Quantity in Basket: none |
Manifold, Exhaust Kit, Mercruiser GM 5.0L-305, 5.7L-350 V8 4"
Exhaust Manifold Kit which fits Mercruiser GM Small Block V8 with 4" Center Riser Exhaust. This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 HGE7114 Manifolds, 2 HGE4354 Risers, Manifold Gaskets, Riser Gaskets for both fresh water and raw water cooling and mounting hardware. NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. HGE Cast Iron Manifolds and Risers come with a 3-year warranty! Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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| HGESB4MER-ALUM $599.00 Sorry, HGESB4MER-ALUM is temporarily backordered. Please check back later. Quantity in Basket: none |
Aluminum Manifold, Exhaust Kit, Mercruiser GM 5.0L-305, 5.7L-350 V8 4"
Aluminum Exhaust Manifold Kit which fits Mercruiser GM Small Block V8 with 4" Center Riser Exhaust This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 HGE7114ALUM Manifolds, 2 HGE4354ALUM Risers, Manifold Gaskets, Riser Gaskets for both fresh water and raw water cooling and mounting hardware. NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems. HGE Manifolds and Risers come with a 3-year warranty!
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| HGEV64MER $499.95 Sorry, HGEV64MER is temporarily backordered. Please check back later. Quantity in Basket: none |
Exhaust Kit, Mercruiser, GM 4.3L V6, 4 inch Exhaust
This Exhaust Kit fits Mercruiser GM V6 (1987-up) with 4" Center Riser Exhaust. This kit requires a 4" I.D. Exhaust hose to be connected to the riser. Includes 2 HGE9746 Manifolds, 2 BARMC-20-44354 Risers, Manifold Gaskets, Riser Gaskets for both fresh water and raw water cooling and all necessary mounting hardware. Mercruiser used 4.0" Risers from 1986 & Up. If you do have a 1986, measure the outlet on the riser. This was a transition year & some are 3.0". NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems. HGE Cast Iron Manifolds and Risers come with a 3-year warranty! Extra Shipping applies for Manifold/Riser Kits: $25 for states east of the Mississippi, $50 for states west of the Mississippi Shipping outside of the contiguous US will be sent by email after the order is placed
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