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Home > Sterndrive Parts (Inboard Outboard) > Mercruiser Sterndrives > Exhaust System for Mercruiser > Manifolds for Mercruiser


Manifolds for Mercruiser



Manifold, Exhaust, Mercruiser 4 Cylinder, Rochester 5 Bolt
Part Number: AP5501
Weight: 44.26
Price: $249.00
Quantity in Basket: none
Manifold for Mercruiser 4 cylinder with Rochester Carburetor (5-bolt pattern)
 
 



Manifold, Exhaust, Mercruiser 4 Cylinder Rochester 6 Bolt
Part Number: AP5502
Weight: 44.5
Price: $249.00
Quantity in Basket: none
Manifold for Mercruiser 4 cylinder with Rochester Carburetor (6-bolt pattern)
 
 



Manifold, Exhaust, Mercruiser GM 181 3.0L 4 Cyl Log
Part Number: BARMC-1-52390
Weight: 49
Price: $239.00
Quantity in Basket: none
This is a direct replacement manifold for a 3.0l Mercruiser. It is a log style manifold used from 1968 to 1982. OEM #52390A1
 
 



Manifold, Mercruiser GM 153 2.5L, 181 3.0L with Rochester Carb
Part Number: BARMC-1-95862
Weight: 50.84
Price: $249.00
Quantity in Basket: none
Manifold,
replaces Merc #95862A5.
Fits most late model 2.5L & 3.0L with Rochester Carb. 6 Bolt Pattern. No choke stove
 
 



Manifold, Exhaust, Mercruiser 120-140 MerCarb 6 Bolt 83-89
Part Number: BARMC-1-99798
Weight: 51.64
Price: $249.00
Quantity in Basket: none
Manifold for Mercruiser 4 cylinder 120/140 with MerCarb carburetor (6-bolt pattern) 1983-1989
 
 



Manifold, Exhaust, Mercruiser GM 454 7.4L V8, Port
Part Number: BARMC1-47735
Weight: 56.2
Price: $289.00
Quantity in Basket: none
Exhaust Manifold for GM 454 cid log style Mercruiser (port side)
Models 325, 330, 350, 370 and 400 Inboard Units with Log Style manifolds
OEM: B-47735A1
 
 



Manifold, Exhaust, Mercruiser GM 454 7.4L V8, Starboard
Part Number: BARMC1-47736
Weight: 56.86
Price: $289.00
Quantity in Basket: none
Exhaust Manifold for GM 454 cid log style Mercruiser (starboard side)
Models 325, 330, 350, 370 and 400 Inboard Units with Log Style manifolds
OEM: B-47736A1
 
 



Manifold, Exhaust, Mercruiser GM 305 5.0L, 350 5.7L V8 Port
Part Number: BARMC1-47737
Weight: 46.04
Price: $289.00
Quantity in Basket: none
Exhaust Manifold for GM Small Block V8 Mercruiser Models 225, 250, 255, 270, 280 (port side)
OEM: B-47737A
 
 



Manifold, Exhaust, Mercruiser GM 305 5.0L, 350 5.7L V8 Starboard
Part Number: BARMC1-47738
Weight: 48.22
Price: $289.00
Quantity in Basket: none
Exhaust Manifold for GM Small Block V8 Mercruiser Models 225, 250, 255, 270, 280 (starboard side)
OEM: 8-47738 A1
 
 



Manifold, Exhaust Kit, GM 454 7.4L, 502 8.2L V8 Barr 3"
Part Number: BPIBB3BAR
Weight: 142
Price: $499.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser 454 7.4L, 502 8.2L V8 3"
Part Number: BPIBB3MER
Weight: 148
Price: $579.00
Quantity in Basket: none
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
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, GM 454 7.4L, 502 8.2L V8 Barr 4"
Part Number: BPIBB4BAR
Weight: 146
Price: $559.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 454 7.4L, 502 8.2L V8 4"
Part Number: BPIBB4MER
Weight: 154
Price: $629.00
Quantity in Basket: none
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
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Conversion Kit, Exhaust, GM 262 4.3L V6, Mercruiser
Part Number: BPIMANCONVKIT
Weight: 25
Price: $499.00
Quantity in Basket: none
Kit to Convert 1-piece manifold/riser to accept a 2-piece manifold/riser setup without changing the Y-Pipe. Includes 2 MER14478T01 Exhaust Elbows
Fits Mercruiser V6
NOTE: This kit DOES NOT include the manifolds required for conversion.
 
 



Manifold, Exhaust Kit, GM 305 5.0L, 350 5.7L V8 Barr 3"
Part Number: BPISB3BAR
Weight: 140
Price: $409.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 3"
Part Number: BPISB3MER
Weight: 140
Price: $419.00
Quantity in Basket: none
This is an 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.
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, GM 305 5.0L, 350 5.7L V8 Barr 4"
Part Number: BPISB4BAR
Weight: 140
Price: $429.00
Quantity in Basket: none
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
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 305 5.0L, 350 5.7L V8 4"
Part Number: BPISB4MER
Weight: 140
Price: $469.00
Quantity in Basket: none
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
Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Ford 302 5.0L, 351 5.8L V8 3" Barr
Part Number: BPISBF3BAR
Weight: 140
Price: $459.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Ford 302 5.0L, 351 5.8L V8 4" Barr
Part Number: BPISBF4BAR
Weight: 140
Price: $499.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 3"
Part Number: BPIV63MER
Weight: 119
Price: $579.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM 262 4.3L V6 4"
Part Number: BPIV64MER
Weight: 127
Price: $629.00
Quantity in Basket: none
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 Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Manifold, Mercruiser GM 4 Cylinder 83-89
Part Number: GLM51210
Weight: 58
Price: $219.00
Quantity in Basket: none
This is an Exhaust Manifold Assembly for Mercruiser Models 120/140 GM 153/181 CID Inline 4 Cyl. (1982-1989) with Mercarb flange 1-15/16" X 3-5/8". 120 GM 153 Inline 4 1983-1986, 140 GM 181 Inline 4, 1982-1986. 2.5L GM 153 Inline 4 1987-1989, 3.0L GM 181 Inline 4 1987-1989. It Includes necessary gaskets, end caps and hardware (as pictured)
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!

View rear side of this manifold
 
 



Exhaust Manifold, Mercruiser Early 140 GM 68-82
Part Number: GLM51212
Weight: 54.86
Price: $219.00
This item is on back order. Please check back later for availability.
Quantity in Basket: none
This is an Exhaust Manifold Assembly for Mercruiser Model 140, GM 181 CID Inline 4 Cyl. (1968-1982), with Mercarb flange 1-7/8" X 3-3/16". 140 GM 181 Inline 4 1968-1972 140 GM 181 Inline 4 1972-1978 140 GM 181 Inline 4 1979-1982. It Includes necessary gaskets, end plates and hardware (as pictured).
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!

View rear side of this manifold



Exhaust Manifold, Mercruiser GM 181 3.0L 90-up
Part Number: GLM51214
Weight: 53.8
Price: $219.00
Quantity in Basket: none
This is an Exhaust Manifold Assembly for Mercruiser Model 3.0LX/3.0L GM 181 CID Inline 4 cyl. (1990 and up) with Mercarb flange 1-5/16" X 3-5/8". 3.0L GM 181 Inline 4 1990-1994, 3.0L GM 181 Inline 4 1998, 3.0L GM 181 Inline 4 1990-1995, 3.0L GM 181 Inline 4 1996-1997, 3.0L GM 181 Inline 4 1999-Current . It includes necessary gaskets, end caps and hardware (as pictured). This item replaces Merc. OEM: 806867A12.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!

View rear side of this manifold
 
 



Exhaust Manifold, most Mercruiser GM 262 4.3L V6 83-up
Part Number: GLM51220
Weight: 35
Price: $149.00
Quantity in Basket: none
This is an Exhaust Manifold Assembly (Iron Casting)
for most Mercruiser Model 175-205 GM 229/262 CID V6 (1983 - up)
OEM: 99746A17
NOTE: This manifold WILL NOT FIT Dry Joint Exhaust Systems used after 2004.

GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
 
 



Exhaust Manifold, Mercruiser GM 305 5.0L, 350 5.7L V8 83-up
Part Number: GLM51230
Weight: 45
Price: $119.00
Quantity in Basket: none
This is an Exhaust Manifold Assembly (Iron Casting)
Fits Mercruiser Model 200-320 GM 305/350/377 CID V8 Small Block (1983 - up)
OEM: 860246A10
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
 
 



Exhaust Manifold, Mercruiser GM 454 7.4L, 502 8.2L V8 81-up
Part Number: GLM51240
Weight: 47.56
Price: $169.00
Quantity in Basket: none
This is an Exhaust Manifold Assembly (Iron Casting) Fits Mercruiser: 330-370 GM 454/502 CID V8 Big Block(1981-Present)
OEM: 807078A6
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
 
 



Exhaust Manifold, GM 305 5.0L, 350 5.7L V8, Barr, 994
Part Number: GLM56230
Weight: 36.82
Price: $129.00
Quantity in Basket: none
This is a Barr Style Exhaust Manifold Assembly; Fits Barr/Indmar/Marine Power GM Small Block V8 5.0/5.7L 305/350 CID
OEMs: GM-1-83 (Barr); 0994-000 (Marine Power)
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
 
 



Exhaust Manifold GM 454 7.4L, 502 8.2L V8, Barr CW994
Part Number: GLM56240
Weight: 47.08
Price: $149.00
Quantity in Basket: none
This is a Barr Style Exhaust Manifold Assembly; Fits Barr/Indmar/Marine Power GM Big Block V8 7.4/8.2L 454/502 CID
OEM: GMA-1-84 (Barr)
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
 
 



Exhaust Manifold, Ford 302 5.0L, 351 5.8L V8, Barr FL994
Part Number: GLM56250
Weight: 36.66
Price: $129.00
Quantity in Basket: none
This is a Barr Style Exhaust Manifold Assembly; Fits Barr/Indmar Ford Small Block V8 5.0/5.8L 302/351 CID
OEMs: FM-1-83 (Barr); 53-2008 (Indmar)
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)!
 
 



V6 Manifold Conversion Kit, Mercruiser
Part Number: GLM58992
Weight: 200
Price: $849.00
Quantity in Basket: none
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:
Mercruiser V6 1-piece riser-manifold
 
 



Exhaust Manifold Kit, Aluminum, Mercruiser GM 262 4.3L V6 3"
Part Number: GLM59223
Weight: 60
Price: $629.00
GLM59223 is not available, check back soon
Quantity in Basket: none
Aluminum Manifold/Riser Kit for GM V6 4.3L Mercrusier, 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)!



Exhaust Manifold Kit, Aluminum, Mercruiser GM 262 4.3L V6 4"
Part Number: GLM59225
Weight: 60
Price: $659.00
GLM59225 is not available, please check back.
Quantity in Basket: none
Aluminum Manifold/Riser Kit for GM V6 4.3L 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)!



Exhaust Kit, Barr Style, GM Big Block 3"
Part Number: GLMBB3BAR
Weight: 143
Price: $399.00
Quantity in Basket: none
This Exhaust Kit fits GM Big Block V8 with 3" Barr Style Center Riser Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56240 Manifolds, 2 GLM56110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is 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)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Big Block 3"
Part Number: GLMBB3MER
Weight: 123
Price: $499.00
Quantity in Basket: none
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)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, GM Big Block 4"
Part Number: GLMBB4BAR
Weight: 140
Price: $469.00
Quantity in Basket: none
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. This is 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)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Big Block 4"
Part Number: GLMBB4MER
Weight: 123
Price: $519.00
Quantity in Basket: none
This Exhaust Kit 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 GLM51240 Manifolds, 2 GLM51140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, GM Small Block 3"
Part Number: GLMSB3BAR
Weight: 140
Price: $389.00
Quantity in Basket: none
This Exhaust Kit fits GM Small Block V8 with 3" Barr Style Center Riser Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56230 Manifolds, 2 GLM56110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is 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)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Small Block 3"
Part Number: GLMSB3MER
Weight: 140
Price: $389.00
Quantity in Basket: none
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 GLM51230 Manifolds, 2 GLM51110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, GM Small Block 4"
Part Number: GLMSB4BAR
Weight: 140
Price: $479.00
Quantity in Basket: none
This Exhaust Kit fits GM Small Block V8 with Barr Style 4" Center Riser Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56230 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. This is 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)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM Small Block 4"
Part Number: GLMSB4MER
Weight: 141
Price: $439.00
Quantity in Basket: none
This Exhaust Kit 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 GLM51230 Manifolds, 2 GLM51140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, Ford Small Block 3"
Part Number: GLMSBF3BAR
Weight: 140
Price: $389.00
Quantity in Basket: none
This Exhaust Kit fits Ford Small Block V8 with 3" Center Riser Barr Style Exhaust.
This kit requires a 3" I.D. Exhaust hose to be connected to the riser.
Includes 2 GLM56250 Manifolds, 2 GLM56110 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. Barr Style Exhaust has been used on many Generic Marine applications, & Log Style to Center Riser conversions.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Barr Style, Ford Small Block 4"
Part Number: GLMSBF4BAR
Weight: 140
Price: $449.00
Quantity in Basket: none
This Exhaust Kit fits Ford Small Block V8 with 4" Center Riser Barr Style Exhaust.
This kit requires a 4" I.D. Exhaust hose to be connected to the riser. The outlet on this riser is 4 inches and this kit fits the 289-302-351 Ford marine engine.
Includes 2 GLM56250 Manifolds, 2 GLM56140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets.
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Manifold, Exhaust Kit, Mercruiser GM V6 3"
Part Number: GLMV63MER
Weight: 108
Price: $489.00
Quantity in Basket: none
This Exhaust Manifold Kit is 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 - GLM51110 3" Risers, 2 - OSC8503-GR Riser Gaskets, 2 - GLM51220 Manifolds, 2 - OSCCS-GH Manifold Gaskets. Mercruiser used 3.0" Risers from 1983-1986. If you do have a 1986, measure the outlet on the riser. This was a transition year & some are 4.0".
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits
 
 



Exhaust Kit, Mercruiser, GM V6 4"
Part Number: GLMV64MER
Weight: 110
Price: $499.00
Quantity in Basket: none
This Exhaust Kit fits Mercrusier 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 GLM51220 Manifolds, 2 GLM51140 Risers, 2 Manifold Gaskets, 2 Riser Gaskets. 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".
GLM Cast Iron Manifolds and Risers come with a 3-year warranty (PDF)! Attention AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY residents $45.00 Long Distance Shipping applies for Manifold/Riser Kits